Home / 457,049,961.28-685,485,671.28-146,074,160.08

Finding the Fourth Proportional to 457,049,961.28, 685,485,671.28 and 146,074,160.08

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Solution

The fourth proportional to 457,049,961.28, 685,485,671.28 and 146,074,160.08 is: 219,082,709.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,049,961.28 : 685,485,671.28 = 146,074,160.08 : x
  2. Step 2: Convert to fraction form
    457,049,961.28/685,485,671.28 = 146,074,160.08/x
  3. Step 3: Cross multiply
    457,049,961.28x = 685,485,671.28 × 146,074,160.08
  4. Step 4: Simplify right side
    457,049,961.28x = 100,131,743,679,100,976
  5. Step 5: Solve for x
    x = 100,131,743,679,100,976/457,049,961.28
  6. Step 6: Final answer
    x = 219,082,709.03

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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.