Home / 185,922,421.27-278,560,436.94-130,472,654.65

Finding the Fourth Proportional to 185,922,421.27, 278,560,436.94 and 130,472,654.65

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Solution

The fourth proportional to 185,922,421.27, 278,560,436.94 and 130,472,654.65 is: 195,482,177.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,922,421.27 : 278,560,436.94 = 130,472,654.65 : x
  2. Step 2: Convert to fraction form
    185,922,421.27/278,560,436.94 = 130,472,654.65/x
  3. Step 3: Cross multiply
    185,922,421.27x = 278,560,436.94 × 130,472,654.65
  4. Step 4: Simplify right side
    185,922,421.27x = 36,344,519,687,329,320
  5. Step 5: Solve for x
    x = 36,344,519,687,329,320/185,922,421.27
  6. Step 6: Final answer
    x = 195,482,177.13

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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.