Home / 80,906,977.60-121,360,466.40-32,408,065.60

Finding the Fourth Proportional to 80,906,977.60, 121,360,466.40 and 32,408,065.60

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Solution

The fourth proportional to 80,906,977.60, 121,360,466.40 and 32,408,065.60 is: 48,612,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,906,977.60 : 121,360,466.40 = 32,408,065.60 : x
  2. Step 2: Convert to fraction form
    80,906,977.60/121,360,466.40 = 32,408,065.60/x
  3. Step 3: Cross multiply
    80,906,977.60x = 121,360,466.40 × 32,408,065.60
  4. Step 4: Simplify right side
    80,906,977.60x = 3,933,057,956,337,796
  5. Step 5: Solve for x
    x = 3,933,057,956,337,796/80,906,977.60
  6. Step 6: Final answer
    x = 48,612,098.40

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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.