Home / 66,737,141.10-100,105,711.65-52,404,417.90

Finding the Fourth Proportional to 66,737,141.10, 100,105,711.65 and 52,404,417.90

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Solution

The fourth proportional to 66,737,141.10, 100,105,711.65 and 52,404,417.90 is: 78,606,626.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,737,141.10 : 100,105,711.65 = 52,404,417.90 : x
  2. Step 2: Convert to fraction form
    66,737,141.10/100,105,711.65 = 52,404,417.90/x
  3. Step 3: Cross multiply
    66,737,141.10x = 100,105,711.65 × 52,404,417.90
  4. Step 4: Simplify right side
    66,737,141.10x = 5,245,981,547,483,499
  5. Step 5: Solve for x
    x = 5,245,981,547,483,499/66,737,141.10
  6. Step 6: Final answer
    x = 78,606,626.85

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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.