Home / 188,451,721.28-260,061,810.88-105,945,872.96

Finding the Fourth Proportional to 188,451,721.28, 260,061,810.88 and 105,945,872.96

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Solution

The fourth proportional to 188,451,721.28, 260,061,810.88 and 105,945,872.96 is: 146,204,425.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,451,721.28 : 260,061,810.88 = 105,945,872.96 : x
  2. Step 2: Convert to fraction form
    188,451,721.28/260,061,810.88 = 105,945,872.96/x
  3. Step 3: Cross multiply
    188,451,721.28x = 260,061,810.88 × 105,945,872.96
  4. Step 4: Simplify right side
    188,451,721.28x = 27,552,475,577,240,024
  5. Step 5: Solve for x
    x = 27,552,475,577,240,024/188,451,721.28
  6. Step 6: Final answer
    x = 146,204,425.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.