Home / 89,677,419.70-134,516,129.55-67,994,626.90

Finding the Fourth Proportional to 89,677,419.70, 134,516,129.55 and 67,994,626.90

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Solution

The fourth proportional to 89,677,419.70, 134,516,129.55 and 67,994,626.90 is: 101,991,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,677,419.70 : 134,516,129.55 = 67,994,626.90 : x
  2. Step 2: Convert to fraction form
    89,677,419.70/134,516,129.55 = 67,994,626.90/x
  3. Step 3: Cross multiply
    89,677,419.70x = 134,516,129.55 × 67,994,626.90
  4. Step 4: Simplify right side
    89,677,419.70x = 9,146,374,040,784,316
  5. Step 5: Solve for x
    x = 9,146,374,040,784,316/89,677,419.70
  6. Step 6: Final answer
    x = 101,991,940.35

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Double scale
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Similar ratio
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1.5x scale

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.