Home / 77,687,998.80-116,531,998.20-47,454,910.80

Finding the Fourth Proportional to 77,687,998.80, 116,531,998.20 and 47,454,910.80

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Solution

The fourth proportional to 77,687,998.80, 116,531,998.20 and 47,454,910.80 is: 71,182,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,687,998.80 : 116,531,998.20 = 47,454,910.80 : x
  2. Step 2: Convert to fraction form
    77,687,998.80/116,531,998.20 = 47,454,910.80/x
  3. Step 3: Cross multiply
    77,687,998.80x = 116,531,998.20 × 47,454,910.80
  4. Step 4: Simplify right side
    77,687,998.80x = 5,530,015,579,926,760
  5. Step 5: Solve for x
    x = 5,530,015,579,926,760/77,687,998.80
  6. Step 6: Final answer
    x = 71,182,366.20

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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.