Home / 82,734,853.92-123,125,599.44-79,976,330.88

Finding the Fourth Proportional to 82,734,853.92, 123,125,599.44 and 79,976,330.88

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Solution

The fourth proportional to 82,734,853.92, 123,125,599.44 and 79,976,330.88 is: 119,020,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,734,853.92 : 123,125,599.44 = 79,976,330.88 : x
  2. Step 2: Convert to fraction form
    82,734,853.92/123,125,599.44 = 79,976,330.88/x
  3. Step 3: Cross multiply
    82,734,853.92x = 123,125,599.44 × 79,976,330.88
  4. Step 4: Simplify right side
    82,734,853.92x = 9,847,133,680,611,782
  5. Step 5: Solve for x
    x = 9,847,133,680,611,782/82,734,853.92
  6. Step 6: Final answer
    x = 119,020,379.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.