Home / 113,599,957.85-156,761,185.65-65,911,517.88

Finding the Fourth Proportional to 113,599,957.85, 156,761,185.65 and 65,911,517.88

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Solution

The fourth proportional to 113,599,957.85, 156,761,185.65 and 65,911,517.88 is: 90,953,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,599,957.85 : 156,761,185.65 = 65,911,517.88 : x
  2. Step 2: Convert to fraction form
    113,599,957.85/156,761,185.65 = 65,911,517.88/x
  3. Step 3: Cross multiply
    113,599,957.85x = 156,761,185.65 × 65,911,517.88
  4. Step 4: Simplify right side
    113,599,957.85x = 10,332,367,690,024,952
  5. Step 5: Solve for x
    x = 10,332,367,690,024,952/113,599,957.85
  6. Step 6: Final answer
    x = 90,953,974.68

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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.