Home / 89,677,414.20-134,516,121.30-67,994,621.40

Finding the Fourth Proportional to 89,677,414.20, 134,516,121.30 and 67,994,621.40

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Solution

The fourth proportional to 89,677,414.20, 134,516,121.30 and 67,994,621.40 is: 101,991,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,677,414.20 : 134,516,121.30 = 67,994,621.40 : x
  2. Step 2: Convert to fraction form
    89,677,414.20/134,516,121.30 = 67,994,621.40/x
  3. Step 3: Cross multiply
    89,677,414.20x = 134,516,121.30 × 67,994,621.40
  4. Step 4: Simplify right side
    89,677,414.20x = 9,146,372,739,989,978
  5. Step 5: Solve for x
    x = 9,146,372,739,989,978/89,677,414.20
  6. Step 6: Final answer
    x = 101,991,932.10

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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.