Home / 52,027,087.17-71,801,789.30-28,829,490.69

Finding the Fourth Proportional to 52,027,087.17, 71,801,789.30 and 28,829,490.69

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Solution

The fourth proportional to 52,027,087.17, 71,801,789.30 and 28,829,490.69 is: 39,787,140.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,027,087.17 : 71,801,789.30 = 28,829,490.69 : x
  2. Step 2: Convert to fraction form
    52,027,087.17/71,801,789.30 = 28,829,490.69/x
  3. Step 3: Cross multiply
    52,027,087.17x = 71,801,789.30 × 28,829,490.69
  4. Step 4: Simplify right side
    52,027,087.17x = 2,070,009,016,005,544.25
  5. Step 5: Solve for x
    x = 2,070,009,016,005,544.25/52,027,087.17
  6. Step 6: Final answer
    x = 39,787,140.29

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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.