Home / 72,454,463.28-99,989,769.96-41,520,610.80

Finding the Fourth Proportional to 72,454,463.28, 99,989,769.96 and 41,520,610.80

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Solution

The fourth proportional to 72,454,463.28, 99,989,769.96 and 41,520,610.80 is: 57,299,938.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,454,463.28 : 99,989,769.96 = 41,520,610.80 : x
  2. Step 2: Convert to fraction form
    72,454,463.28/99,989,769.96 = 41,520,610.80/x
  3. Step 3: Cross multiply
    72,454,463.28x = 99,989,769.96 × 41,520,610.80
  4. Step 4: Simplify right side
    72,454,463.28x = 4,151,636,322,490,691
  5. Step 5: Solve for x
    x = 4,151,636,322,490,691/72,454,463.28
  6. Step 6: Final answer
    x = 57,299,938.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.