Home / 71,052,789.15-98,058,545.80-56,488,648.55

Finding the Fourth Proportional to 71,052,789.15, 98,058,545.80 and 56,488,648.55

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Solution

The fourth proportional to 71,052,789.15, 98,058,545.80 and 56,488,648.55 is: 77,958,864.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,052,789.15 : 98,058,545.80 = 56,488,648.55 : x
  2. Step 2: Convert to fraction form
    71,052,789.15/98,058,545.80 = 56,488,648.55/x
  3. Step 3: Cross multiply
    71,052,789.15x = 98,058,545.80 × 56,488,648.55
  4. Step 4: Simplify right side
    71,052,789.15x = 5,539,194,730,388,764
  5. Step 5: Solve for x
    x = 5,539,194,730,388,764/71,052,789.15
  6. Step 6: Final answer
    x = 77,958,864.06

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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.