Home / 107,786,487.20-161,703,350.40-53,225,211.20

Finding the Fourth Proportional to 107,786,487.20, 161,703,350.40 and 53,225,211.20

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Solution

The fourth proportional to 107,786,487.20, 161,703,350.40 and 53,225,211.20 is: 79,849,480.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,786,487.20 : 161,703,350.40 = 53,225,211.20 : x
  2. Step 2: Convert to fraction form
    107,786,487.20/161,703,350.40 = 53,225,211.20/x
  3. Step 3: Cross multiply
    107,786,487.20x = 161,703,350.40 × 53,225,211.20
  4. Step 4: Simplify right side
    107,786,487.20x = 8,606,694,976,787,605
  5. Step 5: Solve for x
    x = 8,606,694,976,787,605/107,786,487.20
  6. Step 6: Final answer
    x = 79,849,480.21

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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.