Home / 56,049,379.20-84,074,068.80-47,121,170.40

Finding the Fourth Proportional to 56,049,379.20, 84,074,068.80 and 47,121,170.40

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Solution

The fourth proportional to 56,049,379.20, 84,074,068.80 and 47,121,170.40 is: 70,681,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,049,379.20 : 84,074,068.80 = 47,121,170.40 : x
  2. Step 2: Convert to fraction form
    56,049,379.20/84,074,068.80 = 47,121,170.40/x
  3. Step 3: Cross multiply
    56,049,379.20x = 84,074,068.80 × 47,121,170.40
  4. Step 4: Simplify right side
    56,049,379.20x = 3,961,668,522,146,123.50
  5. Step 5: Solve for x
    x = 3,961,668,522,146,123.50/56,049,379.20
  6. Step 6: Final answer
    x = 70,681,755.60

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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.