Home / 71,928,035.10-107,892,052.65-65,338,166.70

Finding the Fourth Proportional to 71,928,035.10, 107,892,052.65 and 65,338,166.70

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Solution

The fourth proportional to 71,928,035.10, 107,892,052.65 and 65,338,166.70 is: 98,007,250.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,928,035.10 : 107,892,052.65 = 65,338,166.70 : x
  2. Step 2: Convert to fraction form
    71,928,035.10/107,892,052.65 = 65,338,166.70/x
  3. Step 3: Cross multiply
    71,928,035.10x = 107,892,052.65 × 65,338,166.70
  4. Step 4: Simplify right side
    71,928,035.10x = 7,049,468,921,650,877
  5. Step 5: Solve for x
    x = 7,049,468,921,650,877/71,928,035.10
  6. Step 6: Final answer
    x = 98,007,250.05

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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.