Home / 52,086,200.83-78,121,695.89-15,188,175.60

Finding the Fourth Proportional to 52,086,200.83, 78,121,695.89 and 15,188,175.60

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Solution

The fourth proportional to 52,086,200.83, 78,121,695.89 and 15,188,175.60 is: 22,780,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,086,200.83 : 78,121,695.89 = 15,188,175.60 : x
  2. Step 2: Convert to fraction form
    52,086,200.83/78,121,695.89 = 15,188,175.60/x
  3. Step 3: Cross multiply
    52,086,200.83x = 78,121,695.89 × 15,188,175.60
  4. Step 4: Simplify right side
    52,086,200.83x = 1,186,526,035,168,499.75
  5. Step 5: Solve for x
    x = 1,186,526,035,168,499.75/52,086,200.83
  6. Step 6: Final answer
    x = 22,780,045.70

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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.