Home / 82,189,340.28-113,421,006.54-47,381,864.76

Finding the Fourth Proportional to 82,189,340.28, 113,421,006.54 and 47,381,864.76

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Solution

The fourth proportional to 82,189,340.28, 113,421,006.54 and 47,381,864.76 is: 65,386,810.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,189,340.28 : 113,421,006.54 = 47,381,864.76 : x
  2. Step 2: Convert to fraction form
    82,189,340.28/113,421,006.54 = 47,381,864.76/x
  3. Step 3: Cross multiply
    82,189,340.28x = 113,421,006.54 × 47,381,864.76
  4. Step 4: Simplify right side
    82,189,340.28x = 5,374,098,792,821,356
  5. Step 5: Solve for x
    x = 5,374,098,792,821,356/82,189,340.28
  6. Step 6: Final answer
    x = 65,386,810.19

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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.