Home / 87,209,049.96-130,806,710.46-38,023,742.53

Finding the Fourth Proportional to 87,209,049.96, 130,806,710.46 and 38,023,742.53

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Solution

The fourth proportional to 87,209,049.96, 130,806,710.46 and 38,023,742.53 is: 57,032,620.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,209,049.96 : 130,806,710.46 = 38,023,742.53 : x
  2. Step 2: Convert to fraction form
    87,209,049.96/130,806,710.46 = 38,023,742.53/x
  3. Step 3: Cross multiply
    87,209,049.96x = 130,806,710.46 × 38,023,742.53
  4. Step 4: Simplify right side
    87,209,049.96x = 4,973,760,679,727,298
  5. Step 5: Solve for x
    x = 4,973,760,679,727,298/87,209,049.96
  6. Step 6: Final answer
    x = 57,032,620.83

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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.