Home / 90,695,385.10-136,043,077.65-49,738,998.70

Finding the Fourth Proportional to 90,695,385.10, 136,043,077.65 and 49,738,998.70

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Solution

The fourth proportional to 90,695,385.10, 136,043,077.65 and 49,738,998.70 is: 74,608,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,695,385.10 : 136,043,077.65 = 49,738,998.70 : x
  2. Step 2: Convert to fraction form
    90,695,385.10/136,043,077.65 = 49,738,998.70/x
  3. Step 3: Cross multiply
    90,695,385.10x = 136,043,077.65 × 49,738,998.70
  4. Step 4: Simplify right side
    90,695,385.10x = 6,766,646,462,377,350
  5. Step 5: Solve for x
    x = 6,766,646,462,377,350/90,695,385.10
  6. Step 6: Final answer
    x = 74,608,498.05

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Similar ratio
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1.5x scale

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.