Home / 80,854,585.70-121,281,878.55-48,489,828.80

Finding the Fourth Proportional to 80,854,585.70, 121,281,878.55 and 48,489,828.80

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Solution

The fourth proportional to 80,854,585.70, 121,281,878.55 and 48,489,828.80 is: 72,734,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,854,585.70 : 121,281,878.55 = 48,489,828.80 : x
  2. Step 2: Convert to fraction form
    80,854,585.70/121,281,878.55 = 48,489,828.80/x
  3. Step 3: Cross multiply
    80,854,585.70x = 121,281,878.55 × 48,489,828.80
  4. Step 4: Simplify right side
    80,854,585.70x = 5,880,937,527,431,892
  5. Step 5: Solve for x
    x = 5,880,937,527,431,892/80,854,585.70
  6. Step 6: Final answer
    x = 72,734,743.20

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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.