Home / 89,910,404.10-134,865,606.15-80,336,592.90

Finding the Fourth Proportional to 89,910,404.10, 134,865,606.15 and 80,336,592.90

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Solution

The fourth proportional to 89,910,404.10, 134,865,606.15 and 80,336,592.90 is: 120,504,889.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,910,404.10 : 134,865,606.15 = 80,336,592.90 : x
  2. Step 2: Convert to fraction form
    89,910,404.10/134,865,606.15 = 80,336,592.90/x
  3. Step 3: Cross multiply
    89,910,404.10x = 134,865,606.15 × 80,336,592.90
  4. Step 4: Simplify right side
    89,910,404.10x = 10,834,643,297,484,288
  5. Step 5: Solve for x
    x = 10,834,643,297,484,288/89,910,404.10
  6. Step 6: Final answer
    x = 120,504,889.35

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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.