Home / 107,891,998.40-161,837,997.60-98,007,195.80

Finding the Fourth Proportional to 107,891,998.40, 161,837,997.60 and 98,007,195.80

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Solution

The fourth proportional to 107,891,998.40, 161,837,997.60 and 98,007,195.80 is: 147,010,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,891,998.40 : 161,837,997.60 = 98,007,195.80 : x
  2. Step 2: Convert to fraction form
    107,891,998.40/161,837,997.60 = 98,007,195.80/x
  3. Step 3: Cross multiply
    107,891,998.40x = 161,837,997.60 × 98,007,195.80
  4. Step 4: Simplify right side
    107,891,998.40x = 15,861,288,318,663,130
  5. Step 5: Solve for x
    x = 15,861,288,318,663,130/107,891,998.40
  6. Step 6: Final answer
    x = 147,010,793.70

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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.