Home / 316,711,974.57-475,067,011.49-80,361,038.65

Finding the Fourth Proportional to 316,711,974.57, 475,067,011.49 and 80,361,038.65

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Solution

The fourth proportional to 316,711,974.57, 475,067,011.49 and 80,361,038.65 is: 120,541,316.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,711,974.57 : 475,067,011.49 = 80,361,038.65 : x
  2. Step 2: Convert to fraction form
    316,711,974.57/475,067,011.49 = 80,361,038.65/x
  3. Step 3: Cross multiply
    316,711,974.57x = 475,067,011.49 × 80,361,038.65
  4. Step 4: Simplify right side
    316,711,974.57x = 38,176,878,471,687,888
  5. Step 5: Solve for x
    x = 38,176,878,471,687,888/316,711,974.57
  6. Step 6: Final answer
    x = 120,541,316.83

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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.