Home / 299,901,535.01-449,872,041.20-78,578,294.25

Finding the Fourth Proportional to 299,901,535.01, 449,872,041.20 and 78,578,294.25

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Solution

The fourth proportional to 299,901,535.01, 449,872,041.20 and 78,578,294.25 is: 117,872,613.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,901,535.01 : 449,872,041.20 = 78,578,294.25 : x
  2. Step 2: Convert to fraction form
    299,901,535.01/449,872,041.20 = 78,578,294.25/x
  3. Step 3: Cross multiply
    299,901,535.01x = 449,872,041.20 × 78,578,294.25
  4. Step 4: Simplify right side
    299,901,535.01x = 35,350,177,627,868,832
  5. Step 5: Solve for x
    x = 35,350,177,627,868,832/299,901,535.01
  6. Step 6: Final answer
    x = 117,872,613.18

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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.