Home / 56,479,272.80-84,718,909.20-54,087,788.30

Finding the Fourth Proportional to 56,479,272.80, 84,718,909.20 and 54,087,788.30

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Solution

The fourth proportional to 56,479,272.80, 84,718,909.20 and 54,087,788.30 is: 81,131,682.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,479,272.80 : 84,718,909.20 = 54,087,788.30 : x
  2. Step 2: Convert to fraction form
    56,479,272.80/84,718,909.20 = 54,087,788.30/x
  3. Step 3: Cross multiply
    56,479,272.80x = 84,718,909.20 × 54,087,788.30
  4. Step 4: Simplify right side
    56,479,272.80x = 4,582,258,425,816,522
  5. Step 5: Solve for x
    x = 4,582,258,425,816,522/56,479,272.80
  6. Step 6: Final answer
    x = 81,131,682.45

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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.