Home / 72,536,612.10-108,804,918.15-50,995,536.90

Finding the Fourth Proportional to 72,536,612.10, 108,804,918.15 and 50,995,536.90

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Solution

The fourth proportional to 72,536,612.10, 108,804,918.15 and 50,995,536.90 is: 76,493,305.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,536,612.10 : 108,804,918.15 = 50,995,536.90 : x
  2. Step 2: Convert to fraction form
    72,536,612.10/108,804,918.15 = 50,995,536.90/x
  3. Step 3: Cross multiply
    72,536,612.10x = 108,804,918.15 × 50,995,536.90
  4. Step 4: Simplify right side
    72,536,612.10x = 5,548,565,218,419,805
  5. Step 5: Solve for x
    x = 5,548,565,218,419,805/72,536,612.10
  6. Step 6: Final answer
    x = 76,493,305.35

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Double scale
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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.