Home / 52,178,618.34-78,272,046.36-13,840,143.84

Finding the Fourth Proportional to 52,178,618.34, 78,272,046.36 and 13,840,143.84

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Solution

The fourth proportional to 52,178,618.34, 78,272,046.36 and 13,840,143.84 is: 20,761,308.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,178,618.34 : 78,272,046.36 = 13,840,143.84 : x
  2. Step 2: Convert to fraction form
    52,178,618.34/78,272,046.36 = 13,840,143.84/x
  3. Step 3: Cross multiply
    52,178,618.34x = 78,272,046.36 × 13,840,143.84
  4. Step 4: Simplify right side
    52,178,618.34x = 1,083,296,380,273,548.38
  5. Step 5: Solve for x
    x = 1,083,296,380,273,548.38/52,178,618.34
  6. Step 6: Final answer
    x = 20,761,308.27

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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.