Home / 98,345,023.20-147,517,534.80-30,178,857.60

Finding the Fourth Proportional to 98,345,023.20, 147,517,534.80 and 30,178,857.60

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Solution

The fourth proportional to 98,345,023.20, 147,517,534.80 and 30,178,857.60 is: 45,268,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,345,023.20 : 147,517,534.80 = 30,178,857.60 : x
  2. Step 2: Convert to fraction form
    98,345,023.20/147,517,534.80 = 30,178,857.60/x
  3. Step 3: Cross multiply
    98,345,023.20x = 147,517,534.80 × 30,178,857.60
  4. Step 4: Simplify right side
    98,345,023.20x = 4,451,910,676,232,245
  5. Step 5: Solve for x
    x = 4,451,910,676,232,245/98,345,023.20
  6. Step 6: Final answer
    x = 45,268,286.40

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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.