Home / 299,419,344.60-449,289,805.13-124,663,019.91

Finding the Fourth Proportional to 299,419,344.60, 449,289,805.13 and 124,663,019.91

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Solution

The fourth proportional to 299,419,344.60, 449,289,805.13 and 124,663,019.91 is: 187,061,473.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,419,344.60 : 449,289,805.13 = 124,663,019.91 : x
  2. Step 2: Convert to fraction form
    299,419,344.60/449,289,805.13 = 124,663,019.91/x
  3. Step 3: Cross multiply
    299,419,344.60x = 449,289,805.13 × 124,663,019.91
  4. Step 4: Simplify right side
    299,419,344.60x = 56,009,823,922,281,208
  5. Step 5: Solve for x
    x = 56,009,823,922,281,208/299,419,344.60
  6. Step 6: Final answer
    x = 187,061,473.92

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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.