Home / 121,230,530.80-181,869,415.80-48,434,923.60

Finding the Fourth Proportional to 121,230,530.80, 181,869,415.80 and 48,434,923.60

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Solution

The fourth proportional to 121,230,530.80, 181,869,415.80 and 48,434,923.60 is: 72,661,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,230,530.80 : 181,869,415.80 = 48,434,923.60 : x
  2. Step 2: Convert to fraction form
    121,230,530.80/181,869,415.80 = 48,434,923.60/x
  3. Step 3: Cross multiply
    121,230,530.80x = 181,869,415.80 × 48,434,923.60
  4. Step 4: Simplify right side
    121,230,530.80x = 8,808,831,259,449,634
  5. Step 5: Solve for x
    x = 8,808,831,259,449,634/121,230,530.80
  6. Step 6: Final answer
    x = 72,661,822.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.