Home / 72,183,670.30-108,275,505.45-67,081,836.70

Finding the Fourth Proportional to 72,183,670.30, 108,275,505.45 and 67,081,836.70

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Solution

The fourth proportional to 72,183,670.30, 108,275,505.45 and 67,081,836.70 is: 100,622,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183,670.30 : 108,275,505.45 = 67,081,836.70 : x
  2. Step 2: Convert to fraction form
    72,183,670.30/108,275,505.45 = 67,081,836.70/x
  3. Step 3: Cross multiply
    72,183,670.30x = 108,275,505.45 × 67,081,836.70
  4. Step 4: Simplify right side
    72,183,670.30x = 7,263,319,775,206,861
  5. Step 5: Solve for x
    x = 7,263,319,775,206,861/72,183,670.30
  6. Step 6: Final answer
    x = 100,622,755.05

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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.