Home / 138,752,916.44-207,902,319.06-83,999,545.52

Finding the Fourth Proportional to 138,752,916.44, 207,902,319.06 and 83,999,545.52

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Solution

The fourth proportional to 138,752,916.44, 207,902,319.06 and 83,999,545.52 is: 125,861,861.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,752,916.44 : 207,902,319.06 = 83,999,545.52 : x
  2. Step 2: Convert to fraction form
    138,752,916.44/207,902,319.06 = 83,999,545.52/x
  3. Step 3: Cross multiply
    138,752,916.44x = 207,902,319.06 × 83,999,545.52
  4. Step 4: Simplify right side
    138,752,916.44x = 17,463,700,313,594,032
  5. Step 5: Solve for x
    x = 17,463,700,313,594,032/138,752,916.44
  6. Step 6: Final answer
    x = 125,861,861.23

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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.