Home / 103,857,079.26-143,313,841.17-57,435,778.38

Finding the Fourth Proportional to 103,857,079.26, 143,313,841.17 and 57,435,778.38

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Solution

The fourth proportional to 103,857,079.26, 143,313,841.17 and 57,435,778.38 is: 79,256,436.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,857,079.26 : 143,313,841.17 = 57,435,778.38 : x
  2. Step 2: Convert to fraction form
    103,857,079.26/143,313,841.17 = 57,435,778.38/x
  3. Step 3: Cross multiply
    103,857,079.26x = 143,313,841.17 × 57,435,778.38
  4. Step 4: Simplify right side
    103,857,079.26x = 8,231,342,020,226,640
  5. Step 5: Solve for x
    x = 8,231,342,020,226,640/103,857,079.26
  6. Step 6: Final answer
    x = 79,256,436.62

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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.