Home / 78,736,046.20-118,104,069.30-44,156,951.80

Finding the Fourth Proportional to 78,736,046.20, 118,104,069.30 and 44,156,951.80

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Solution

The fourth proportional to 78,736,046.20, 118,104,069.30 and 44,156,951.80 is: 66,235,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,736,046.20 : 118,104,069.30 = 44,156,951.80 : x
  2. Step 2: Convert to fraction form
    78,736,046.20/118,104,069.30 = 44,156,951.80/x
  3. Step 3: Cross multiply
    78,736,046.20x = 118,104,069.30 × 44,156,951.80
  4. Step 4: Simplify right side
    78,736,046.20x = 5,215,115,695,463,959
  5. Step 5: Solve for x
    x = 5,215,115,695,463,959/78,736,046.20
  6. Step 6: Final answer
    x = 66,235,427.70

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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.