Home / 234,409,335.64-351,664,398.42-78,978,589

Finding the Fourth Proportional to 234,409,335.64, 351,664,398.42 and 78,978,589

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Solution

The fourth proportional to 234,409,335.64, 351,664,398.42 and 78,978,589 is: 118,484,862.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,409,335.64 : 351,664,398.42 = 78,978,589 : x
  2. Step 2: Convert to fraction form
    234,409,335.64/351,664,398.42 = 78,978,589/x
  3. Step 3: Cross multiply
    234,409,335.64x = 351,664,398.42 × 78,978,589
  4. Step 4: Simplify right side
    234,409,335.64x = 27,773,957,988,745,432
  5. Step 5: Solve for x
    x = 27,773,957,988,745,432/234,409,335.64
  6. Step 6: Final answer
    x = 118,484,862.87

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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.