Home / 54,707,939.60-82,061,909.40-52,188,515.60

Finding the Fourth Proportional to 54,707,939.60, 82,061,909.40 and 52,188,515.60

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Solution

The fourth proportional to 54,707,939.60, 82,061,909.40 and 52,188,515.60 is: 78,282,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,707,939.60 : 82,061,909.40 = 52,188,515.60 : x
  2. Step 2: Convert to fraction form
    54,707,939.60/82,061,909.40 = 52,188,515.60/x
  3. Step 3: Cross multiply
    54,707,939.60x = 82,061,909.40 × 52,188,515.60
  4. Step 4: Simplify right side
    54,707,939.60x = 4,282,689,238,887,687
  5. Step 5: Solve for x
    x = 4,282,689,238,887,687/54,707,939.60
  6. Step 6: Final answer
    x = 78,282,773.40

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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.