Home / 57,471,251.20-86,206,876.80-54,636,899.20

Finding the Fourth Proportional to 57,471,251.20, 86,206,876.80 and 54,636,899.20

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Solution

The fourth proportional to 57,471,251.20, 86,206,876.80 and 54,636,899.20 is: 81,955,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,471,251.20 : 86,206,876.80 = 54,636,899.20 : x
  2. Step 2: Convert to fraction form
    57,471,251.20/86,206,876.80 = 54,636,899.20/x
  3. Step 3: Cross multiply
    57,471,251.20x = 86,206,876.80 × 54,636,899.20
  4. Step 4: Simplify right side
    57,471,251.20x = 4,710,076,438,068,419
  5. Step 5: Solve for x
    x = 4,710,076,438,068,419/57,471,251.20
  6. Step 6: Final answer
    x = 81,955,348.80

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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.