Home / 89,341,127.70-134,011,691.55-80,271,201.30

Finding the Fourth Proportional to 89,341,127.70, 134,011,691.55 and 80,271,201.30

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Solution

The fourth proportional to 89,341,127.70, 134,011,691.55 and 80,271,201.30 is: 120,406,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,341,127.70 : 134,011,691.55 = 80,271,201.30 : x
  2. Step 2: Convert to fraction form
    89,341,127.70/134,011,691.55 = 80,271,201.30/x
  3. Step 3: Cross multiply
    89,341,127.70x = 134,011,691.55 × 80,271,201.30
  4. Step 4: Simplify right side
    89,341,127.70x = 10,757,279,468,963,558
  5. Step 5: Solve for x
    x = 10,757,279,468,963,558/89,341,127.70
  6. Step 6: Final answer
    x = 120,406,801.95

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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.