Home / 121,350,561.60-182,025,842.40-80,535,892.80

Finding the Fourth Proportional to 121,350,561.60, 182,025,842.40 and 80,535,892.80

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Solution

The fourth proportional to 121,350,561.60, 182,025,842.40 and 80,535,892.80 is: 120,803,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,350,561.60 : 182,025,842.40 = 80,535,892.80 : x
  2. Step 2: Convert to fraction form
    121,350,561.60/182,025,842.40 = 80,535,892.80/x
  3. Step 3: Cross multiply
    121,350,561.60x = 182,025,842.40 × 80,535,892.80
  4. Step 4: Simplify right side
    121,350,561.60x = 14,659,613,730,356,094
  5. Step 5: Solve for x
    x = 14,659,613,730,356,094/121,350,561.60
  6. Step 6: Final answer
    x = 120,803,839.20

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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.