Home / 218,838,328.33-327,731,505.84-125,181,350.16

Finding the Fourth Proportional to 218,838,328.33, 327,731,505.84 and 125,181,350.16

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Solution

The fourth proportional to 218,838,328.33, 327,731,505.84 and 125,181,350.16 is: 187,471,146.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,838,328.33 : 327,731,505.84 = 125,181,350.16 : x
  2. Step 2: Convert to fraction form
    218,838,328.33/327,731,505.84 = 125,181,350.16/x
  3. Step 3: Cross multiply
    218,838,328.33x = 327,731,505.84 × 125,181,350.16
  4. Step 4: Simplify right side
    218,838,328.33x = 41,025,872,390,261,560
  5. Step 5: Solve for x
    x = 41,025,872,390,261,560/218,838,328.33
  6. Step 6: Final answer
    x = 187,471,146.87

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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.