Home / 66,194,630.30-99,291,945.45-45,787,295.90

Finding the Fourth Proportional to 66,194,630.30, 99,291,945.45 and 45,787,295.90

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Solution

The fourth proportional to 66,194,630.30, 99,291,945.45 and 45,787,295.90 is: 68,680,943.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,194,630.30 : 99,291,945.45 = 45,787,295.90 : x
  2. Step 2: Convert to fraction form
    66,194,630.30/99,291,945.45 = 45,787,295.90/x
  3. Step 3: Cross multiply
    66,194,630.30x = 99,291,945.45 × 45,787,295.90
  4. Step 4: Simplify right side
    66,194,630.30x = 4,546,309,686,805,809
  5. Step 5: Solve for x
    x = 4,546,309,686,805,809/66,194,630.30
  6. Step 6: Final answer
    x = 68,680,943.85

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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.