Home / 102,569,632.92-141,546,065.76-56,159,872.92

Finding the Fourth Proportional to 102,569,632.92, 141,546,065.76 and 56,159,872.92

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Solution

The fourth proportional to 102,569,632.92, 141,546,065.76 and 56,159,872.92 is: 77,500,609.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,569,632.92 : 141,546,065.76 = 56,159,872.92 : x
  2. Step 2: Convert to fraction form
    102,569,632.92/141,546,065.76 = 56,159,872.92/x
  3. Step 3: Cross multiply
    102,569,632.92x = 141,546,065.76 × 56,159,872.92
  4. Step 4: Simplify right side
    102,569,632.92x = 7,949,209,065,407,563
  5. Step 5: Solve for x
    x = 7,949,209,065,407,563/102,569,632.92
  6. Step 6: Final answer
    x = 77,500,609.48

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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.