Home / 275,040,313.60-412,418,752.80-102,428,276.80

Finding the Fourth Proportional to 275,040,313.60, 412,418,752.80 and 102,428,276.80

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Solution

The fourth proportional to 275,040,313.60, 412,418,752.80 and 102,428,276.80 is: 153,589,637.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,040,313.60 : 412,418,752.80 = 102,428,276.80 : x
  2. Step 2: Convert to fraction form
    275,040,313.60/412,418,752.80 = 102,428,276.80/x
  3. Step 3: Cross multiply
    275,040,313.60x = 412,418,752.80 × 102,428,276.80
  4. Step 4: Simplify right side
    275,040,313.60x = 42,243,342,169,309,176
  5. Step 5: Solve for x
    x = 42,243,342,169,309,176/275,040,313.60
  6. Step 6: Final answer
    x = 153,589,637.88

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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.