Home / 100,438,568.64-150,704,187.12-45,867,882.96

Finding the Fourth Proportional to 100,438,568.64, 150,704,187.12 and 45,867,882.96

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Solution

The fourth proportional to 100,438,568.64, 150,704,187.12 and 45,867,882.96 is: 68,822,984.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,438,568.64 : 150,704,187.12 = 45,867,882.96 : x
  2. Step 2: Convert to fraction form
    100,438,568.64/150,704,187.12 = 45,867,882.96/x
  3. Step 3: Cross multiply
    100,438,568.64x = 150,704,187.12 × 45,867,882.96
  4. Step 4: Simplify right side
    100,438,568.64x = 6,912,482,016,402,100
  5. Step 5: Solve for x
    x = 6,912,482,016,402,100/100,438,568.64
  6. Step 6: Final answer
    x = 68,822,984.14

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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.