Home / 78,782,110.57-108,737,452.43-46,197,560.17

Finding the Fourth Proportional to 78,782,110.57, 108,737,452.43 and 46,197,560.17

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Solution

The fourth proportional to 78,782,110.57, 108,737,452.43 and 46,197,560.17 is: 63,763,270.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,782,110.57 : 108,737,452.43 = 46,197,560.17 : x
  2. Step 2: Convert to fraction form
    78,782,110.57/108,737,452.43 = 46,197,560.17/x
  3. Step 3: Cross multiply
    78,782,110.57x = 108,737,452.43 × 46,197,560.17
  4. Step 4: Simplify right side
    78,782,110.57x = 5,023,405,001,367,438
  5. Step 5: Solve for x
    x = 5,023,405,001,367,438/78,782,110.57
  6. Step 6: Final answer
    x = 63,763,270.18

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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.