Home / 80,852,009.60-121,278,014.40-32,353,097.60

Finding the Fourth Proportional to 80,852,009.60, 121,278,014.40 and 32,353,097.60

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Solution

The fourth proportional to 80,852,009.60, 121,278,014.40 and 32,353,097.60 is: 48,529,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,009.60 : 121,278,014.40 = 32,353,097.60 : x
  2. Step 2: Convert to fraction form
    80,852,009.60/121,278,014.40 = 32,353,097.60/x
  3. Step 3: Cross multiply
    80,852,009.60x = 121,278,014.40 × 32,353,097.60
  4. Step 4: Simplify right side
    80,852,009.60x = 3,923,719,436,617,406
  5. Step 5: Solve for x
    x = 3,923,719,436,617,406/80,852,009.60
  6. Step 6: Final answer
    x = 48,529,646.40

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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.