Home / 74,347,260.30-111,520,890.45-66,056,780.70

Finding the Fourth Proportional to 74,347,260.30, 111,520,890.45 and 66,056,780.70

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Solution

The fourth proportional to 74,347,260.30, 111,520,890.45 and 66,056,780.70 is: 99,085,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,347,260.30 : 111,520,890.45 = 66,056,780.70 : x
  2. Step 2: Convert to fraction form
    74,347,260.30/111,520,890.45 = 66,056,780.70/x
  3. Step 3: Cross multiply
    74,347,260.30x = 111,520,890.45 × 66,056,780.70
  4. Step 4: Simplify right side
    74,347,260.30x = 7,366,711,003,924,375
  5. Step 5: Solve for x
    x = 7,366,711,003,924,375/74,347,260.30
  6. Step 6: Final answer
    x = 99,085,171.05

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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.