Home / 100,327,442.04-150,483,856.23-45,012,405.42

Finding the Fourth Proportional to 100,327,442.04, 150,483,856.23 and 45,012,405.42

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Solution

The fourth proportional to 100,327,442.04, 150,483,856.23 and 45,012,405.42 is: 67,515,329.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,327,442.04 : 150,483,856.23 = 45,012,405.42 : x
  2. Step 2: Convert to fraction form
    100,327,442.04/150,483,856.23 = 45,012,405.42/x
  3. Step 3: Cross multiply
    100,327,442.04x = 150,483,856.23 × 45,012,405.42
  4. Step 4: Simplify right side
    100,327,442.04x = 6,773,640,345,789,753
  5. Step 5: Solve for x
    x = 6,773,640,345,789,753/100,327,442.04
  6. Step 6: Final answer
    x = 67,515,329.88

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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.