Home / 56,479,206.30-84,718,809.45-54,087,721.80

Finding the Fourth Proportional to 56,479,206.30, 84,718,809.45 and 54,087,721.80

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Solution

The fourth proportional to 56,479,206.30, 84,718,809.45 and 54,087,721.80 is: 81,131,582.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,479,206.30 : 84,718,809.45 = 54,087,721.80 : x
  2. Step 2: Convert to fraction form
    56,479,206.30/84,718,809.45 = 54,087,721.80/x
  3. Step 3: Cross multiply
    56,479,206.30x = 84,718,809.45 × 54,087,721.80
  4. Step 4: Simplify right side
    56,479,206.30x = 4,582,247,396,758,811
  5. Step 5: Solve for x
    x = 4,582,247,396,758,811/56,479,206.30
  6. Step 6: Final answer
    x = 81,131,582.70

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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.