Home / 80,892,710.60-121,339,065.90-32,378,052.20

Finding the Fourth Proportional to 80,892,710.60, 121,339,065.90 and 32,378,052.20

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Solution

The fourth proportional to 80,892,710.60, 121,339,065.90 and 32,378,052.20 is: 48,567,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,892,710.60 : 121,339,065.90 = 32,378,052.20 : x
  2. Step 2: Convert to fraction form
    80,892,710.60/121,339,065.90 = 32,378,052.20/x
  3. Step 3: Cross multiply
    80,892,710.60x = 121,339,065.90 × 32,378,052.20
  4. Step 4: Simplify right side
    80,892,710.60x = 3,928,722,609,609,440
  5. Step 5: Solve for x
    x = 3,928,722,609,609,440/80,892,710.60
  6. Step 6: Final answer
    x = 48,567,078.30

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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.