Home / 80,033,584.32-120,211,078.08-47,748,565.44

Finding the Fourth Proportional to 80,033,584.32, 120,211,078.08 and 47,748,565.44

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Solution

The fourth proportional to 80,033,584.32, 120,211,078.08 and 47,748,565.44 is: 71,718,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,033,584.32 : 120,211,078.08 = 47,748,565.44 : x
  2. Step 2: Convert to fraction form
    80,033,584.32/120,211,078.08 = 47,748,565.44/x
  3. Step 3: Cross multiply
    80,033,584.32x = 120,211,078.08 × 47,748,565.44
  4. Step 4: Simplify right side
    80,033,584.32x = 5,739,906,528,315,829
  5. Step 5: Solve for x
    x = 5,739,906,528,315,829/80,033,584.32
  6. Step 6: Final answer
    x = 71,718,723.80

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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.