Home / 87,548,901.44-120,815,376.66-47,854,650.35

Finding the Fourth Proportional to 87,548,901.44, 120,815,376.66 and 47,854,650.35

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Solution

The fourth proportional to 87,548,901.44, 120,815,376.66 and 47,854,650.35 is: 66,038,265.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,548,901.44 : 120,815,376.66 = 47,854,650.35 : x
  2. Step 2: Convert to fraction form
    87,548,901.44/120,815,376.66 = 47,854,650.35/x
  3. Step 3: Cross multiply
    87,548,901.44x = 120,815,376.66 × 47,854,650.35
  4. Step 4: Simplify right side
    87,548,901.44x = 5,781,577,607,269,889
  5. Step 5: Solve for x
    x = 5,781,577,607,269,889/87,548,901.44
  6. Step 6: Final answer
    x = 66,038,265.62

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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.