Home / 87,209,111.04-120,351,296.97-50,046,188.28

Finding the Fourth Proportional to 87,209,111.04, 120,351,296.97 and 50,046,188.28

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Solution

The fourth proportional to 87,209,111.04, 120,351,296.97 and 50,046,188.28 is: 69,065,302.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,209,111.04 : 120,351,296.97 = 50,046,188.28 : x
  2. Step 2: Convert to fraction form
    87,209,111.04/120,351,296.97 = 50,046,188.28/x
  3. Step 3: Cross multiply
    87,209,111.04x = 120,351,296.97 × 50,046,188.28
  4. Step 4: Simplify right side
    87,209,111.04x = 6,023,123,667,902,814
  5. Step 5: Solve for x
    x = 6,023,123,667,902,814/87,209,111.04
  6. Step 6: Final answer
    x = 69,065,302.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.