Home / 78,546,150.90-117,738,385.26-34,847,488.95

Finding the Fourth Proportional to 78,546,150.90, 117,738,385.26 and 34,847,488.95

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Solution

The fourth proportional to 78,546,150.90, 117,738,385.26 and 34,847,488.95 is: 52,235,367.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,546,150.90 : 117,738,385.26 = 34,847,488.95 : x
  2. Step 2: Convert to fraction form
    78,546,150.90/117,738,385.26 = 34,847,488.95/x
  3. Step 3: Cross multiply
    78,546,150.90x = 117,738,385.26 × 34,847,488.95
  4. Step 4: Simplify right side
    78,546,150.90x = 4,102,887,078,962,687
  5. Step 5: Solve for x
    x = 4,102,887,078,962,687/78,546,150.90
  6. Step 6: Final answer
    x = 52,235,367.77

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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.