Home / 83,054,315.20-124,581,472.80-39,913,115.80

Finding the Fourth Proportional to 83,054,315.20, 124,581,472.80 and 39,913,115.80

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Solution

The fourth proportional to 83,054,315.20, 124,581,472.80 and 39,913,115.80 is: 59,869,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,054,315.20 : 124,581,472.80 = 39,913,115.80 : x
  2. Step 2: Convert to fraction form
    83,054,315.20/124,581,472.80 = 39,913,115.80/x
  3. Step 3: Cross multiply
    83,054,315.20x = 124,581,472.80 × 39,913,115.80
  4. Step 4: Simplify right side
    83,054,315.20x = 4,972,434,750,400,950
  5. Step 5: Solve for x
    x = 4,972,434,750,400,950/83,054,315.20
  6. Step 6: Final answer
    x = 59,869,673.70

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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.