Home / 77,632,447.80-116,243,385.30-62,207,974.20

Finding the Fourth Proportional to 77,632,447.80, 116,243,385.30 and 62,207,974.20

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Solution

The fourth proportional to 77,632,447.80, 116,243,385.30 and 62,207,974.20 is: 93,147,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,632,447.80 : 116,243,385.30 = 62,207,974.20 : x
  2. Step 2: Convert to fraction form
    77,632,447.80/116,243,385.30 = 62,207,974.20/x
  3. Step 3: Cross multiply
    77,632,447.80x = 116,243,385.30 × 62,207,974.20
  4. Step 4: Simplify right side
    77,632,447.80x = 7,231,265,513,663,059
  5. Step 5: Solve for x
    x = 7,231,265,513,663,059/77,632,447.80
  6. Step 6: Final answer
    x = 93,147,462.42

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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.