Home / 87,016,665.60-130,383,280.80-64,058,414.40

Finding the Fourth Proportional to 87,016,665.60, 130,383,280.80 and 64,058,414.40

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Solution

The fourth proportional to 87,016,665.60, 130,383,280.80 and 64,058,414.40 is: 95,983,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,016,665.60 : 130,383,280.80 = 64,058,414.40 : x
  2. Step 2: Convert to fraction form
    87,016,665.60/130,383,280.80 = 64,058,414.40/x
  3. Step 3: Cross multiply
    87,016,665.60x = 130,383,280.80 × 64,058,414.40
  4. Step 4: Simplify right side
    87,016,665.60x = 8,352,146,232,317,963
  5. Step 5: Solve for x
    x = 8,352,146,232,317,963/87,016,665.60
  6. Step 6: Final answer
    x = 95,983,294.40

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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.