Home / 88,068,272.20-132,102,408.30-81,690,980.20

Finding the Fourth Proportional to 88,068,272.20, 132,102,408.30 and 81,690,980.20

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Solution

The fourth proportional to 88,068,272.20, 132,102,408.30 and 81,690,980.20 is: 122,536,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,068,272.20 : 132,102,408.30 = 81,690,980.20 : x
  2. Step 2: Convert to fraction form
    88,068,272.20/132,102,408.30 = 81,690,980.20/x
  3. Step 3: Cross multiply
    88,068,272.20x = 132,102,408.30 × 81,690,980.20
  4. Step 4: Simplify right side
    88,068,272.20x = 10,791,575,220,807,616
  5. Step 5: Solve for x
    x = 10,791,575,220,807,616/88,068,272.20
  6. Step 6: Final answer
    x = 122,536,470.30

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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.