Home / 87,304,854.60-130,957,281.90-53,292,630.60

Finding the Fourth Proportional to 87,304,854.60, 130,957,281.90 and 53,292,630.60

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Solution

The fourth proportional to 87,304,854.60, 130,957,281.90 and 53,292,630.60 is: 79,938,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,304,854.60 : 130,957,281.90 = 53,292,630.60 : x
  2. Step 2: Convert to fraction form
    87,304,854.60/130,957,281.90 = 53,292,630.60/x
  3. Step 3: Cross multiply
    87,304,854.60x = 130,957,281.90 × 53,292,630.60
  4. Step 4: Simplify right side
    87,304,854.60x = 6,979,058,048,676,767
  5. Step 5: Solve for x
    x = 6,979,058,048,676,767/87,304,854.60
  6. Step 6: Final answer
    x = 79,938,945.90

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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.