Home / 36,318,761.80-54,499,339.50-20,158,275.40

Finding the Fourth Proportional to 36,318,761.80, 54,499,339.50 and 20,158,275.40

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Solution

The fourth proportional to 36,318,761.80, 54,499,339.50 and 20,158,275.40 is: 30,249,178.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,318,761.80 : 54,499,339.50 = 20,158,275.40 : x
  2. Step 2: Convert to fraction form
    36,318,761.80/54,499,339.50 = 20,158,275.40/x
  3. Step 3: Cross multiply
    36,318,761.80x = 54,499,339.50 × 20,158,275.40
  4. Step 4: Simplify right side
    36,318,761.80x = 1,098,612,694,759,098.25
  5. Step 5: Solve for x
    x = 1,098,612,694,759,098.25/36,318,761.80
  6. Step 6: Final answer
    x = 30,249,178.12

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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.