Home / 80,915,803.60-121,373,705.40-32,401,145.20

Finding the Fourth Proportional to 80,915,803.60, 121,373,705.40 and 32,401,145.20

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Solution

The fourth proportional to 80,915,803.60, 121,373,705.40 and 32,401,145.20 is: 48,601,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,915,803.60 : 121,373,705.40 = 32,401,145.20 : x
  2. Step 2: Convert to fraction form
    80,915,803.60/121,373,705.40 = 32,401,145.20/x
  3. Step 3: Cross multiply
    80,915,803.60x = 121,373,705.40 × 32,401,145.20
  4. Step 4: Simplify right side
    80,915,803.60x = 3,932,647,052,127,424
  5. Step 5: Solve for x
    x = 3,932,647,052,127,424/80,915,803.60
  6. Step 6: Final answer
    x = 48,601,717.80

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1.5x scale

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.