Home / 299,382,079.60-449,073,119.40-138,138,943.60

Finding the Fourth Proportional to 299,382,079.60, 449,073,119.40 and 138,138,943.60

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Solution

The fourth proportional to 299,382,079.60, 449,073,119.40 and 138,138,943.60 is: 207,208,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,382,079.60 : 449,073,119.40 = 138,138,943.60 : x
  2. Step 2: Convert to fraction form
    299,382,079.60/449,073,119.40 = 138,138,943.60/x
  3. Step 3: Cross multiply
    299,382,079.60x = 449,073,119.40 × 138,138,943.60
  4. Step 4: Simplify right side
    299,382,079.60x = 62,034,486,313,072,656
  5. Step 5: Solve for x
    x = 62,034,486,313,072,656/299,382,079.60
  6. Step 6: Final answer
    x = 207,208,415.40

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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.