Home / 159,976,922.28-220,786,106.58-90,366,786.42

Finding the Fourth Proportional to 159,976,922.28, 220,786,106.58 and 90,366,786.42

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Solution

The fourth proportional to 159,976,922.28, 220,786,106.58 and 90,366,786.42 is: 124,716,306.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,976,922.28 : 220,786,106.58 = 90,366,786.42 : x
  2. Step 2: Convert to fraction form
    159,976,922.28/220,786,106.58 = 90,366,786.42/x
  3. Step 3: Cross multiply
    159,976,922.28x = 220,786,106.58 × 90,366,786.42
  4. Step 4: Simplify right side
    159,976,922.28x = 19,951,730,937,818,220
  5. Step 5: Solve for x
    x = 19,951,730,937,818,220/159,976,922.28
  6. Step 6: Final answer
    x = 124,716,306.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.