Home / 121,130,662.80-181,444,051.80-100,975,270.80

Finding the Fourth Proportional to 121,130,662.80, 181,444,051.80 and 100,975,270.80

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Solution

The fourth proportional to 121,130,662.80, 181,444,051.80 and 100,975,270.80 is: 151,252,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,130,662.80 : 181,444,051.80 = 100,975,270.80 : x
  2. Step 2: Convert to fraction form
    121,130,662.80/181,444,051.80 = 100,975,270.80/x
  3. Step 3: Cross multiply
    121,130,662.80x = 181,444,051.80 × 100,975,270.80
  4. Step 4: Simplify right side
    121,130,662.80x = 18,321,362,265,554,228
  5. Step 5: Solve for x
    x = 18,321,362,265,554,228/121,130,662.80
  6. Step 6: Final answer
    x = 151,252,885.45

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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.