Home / 78,782,151.20-108,737,508.56-46,197,600.80

Finding the Fourth Proportional to 78,782,151.20, 108,737,508.56 and 46,197,600.80

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Solution

The fourth proportional to 78,782,151.20, 108,737,508.56 and 46,197,600.80 is: 63,763,326.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,782,151.20 : 108,737,508.56 = 46,197,600.80 : x
  2. Step 2: Convert to fraction form
    78,782,151.20/108,737,508.56 = 46,197,600.80/x
  3. Step 3: Cross multiply
    78,782,151.20x = 108,737,508.56 × 46,197,600.80
  4. Step 4: Simplify right side
    78,782,151.20x = 5,023,412,012,441,463
  5. Step 5: Solve for x
    x = 5,023,412,012,441,463/78,782,151.20
  6. Step 6: Final answer
    x = 63,763,326.29

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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.