Home / 52,086,171-78,121,651.28-15,188,145.84

Finding the Fourth Proportional to 52,086,171, 78,121,651.28 and 15,188,145.84

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Solution

The fourth proportional to 52,086,171, 78,121,651.28 and 15,188,145.84 is: 22,780,001.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,086,171 : 78,121,651.28 = 15,188,145.84 : x
  2. Step 2: Convert to fraction form
    52,086,171/78,121,651.28 = 15,188,145.84/x
  3. Step 3: Cross multiply
    52,086,171x = 78,121,651.28 × 15,188,145.84
  4. Step 4: Simplify right side
    52,086,171x = 1,186,523,032,902,262.75
  5. Step 5: Solve for x
    x = 1,186,523,032,902,262.75/52,086,171
  6. Step 6: Final answer
    x = 22,780,001.10

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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.