Home / 98,345,024.20-147,517,536.30-30,178,858.60

Finding the Fourth Proportional to 98,345,024.20, 147,517,536.30 and 30,178,858.60

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Solution

The fourth proportional to 98,345,024.20, 147,517,536.30 and 30,178,858.60 is: 45,268,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,345,024.20 : 147,517,536.30 = 30,178,858.60 : x
  2. Step 2: Convert to fraction form
    98,345,024.20/147,517,536.30 = 30,178,858.60/x
  3. Step 3: Cross multiply
    98,345,024.20x = 147,517,536.30 × 30,178,858.60
  4. Step 4: Simplify right side
    98,345,024.20x = 4,451,910,869,018,068
  5. Step 5: Solve for x
    x = 4,451,910,869,018,068/98,345,024.20
  6. Step 6: Final answer
    x = 45,268,287.90

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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.