Home / 80,852,002.10-121,278,003.15-32,353,090.10

Finding the Fourth Proportional to 80,852,002.10, 121,278,003.15 and 32,353,090.10

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Solution

The fourth proportional to 80,852,002.10, 121,278,003.15 and 32,353,090.10 is: 48,529,635.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,002.10 : 121,278,003.15 = 32,353,090.10 : x
  2. Step 2: Convert to fraction form
    80,852,002.10/121,278,003.15 = 32,353,090.10/x
  3. Step 3: Cross multiply
    80,852,002.10x = 121,278,003.15 × 32,353,090.10
  4. Step 4: Simplify right side
    80,852,002.10x = 3,923,718,163,060,034
  5. Step 5: Solve for x
    x = 3,923,718,163,060,034/80,852,002.10
  6. Step 6: Final answer
    x = 48,529,635.15

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Double scale
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Similar ratio
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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.