Home / 128,997,637.60-181,106,876-128,997,637.60

Finding the Fourth Proportional to 128,997,637.60, 181,106,876 and 128,997,637.60

Calculator

Solution

The fourth proportional to 128,997,637.60, 181,106,876 and 128,997,637.60 is: 181,106,876

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,997,637.60 : 181,106,876 = 128,997,637.60 : x
  2. Step 2: Convert to fraction form
    128,997,637.60/181,106,876 = 128,997,637.60/x
  3. Step 3: Cross multiply
    128,997,637.60x = 181,106,876 × 128,997,637.60
  4. Step 4: Simplify right side
    128,997,637.60x = 23,362,359,157,116,136
  5. Step 5: Solve for x
    x = 23,362,359,157,116,136/128,997,637.60
  6. Step 6: Final answer
    x = 181,106,876

Related Problems

Find fourth proportional to 64,498,818.80, 90,553,438 and 64,498,818.80
Half scale
Find fourth proportional to 257,995,275.20, 362,213,752 and 257,995,275.20
Double scale
Find fourth proportional to 128,997,638.60, 181,106,877.40 and 128,997,638.60
Similar ratio
Find fourth proportional to 193,496,456.40, 271,660,314 and 193,496,456.40
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.