Home / 268,999,079.40-371,207,260.06-149,915,335.03

Finding the Fourth Proportional to 268,999,079.40, 371,207,260.06 and 149,915,335.03

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Solution

The fourth proportional to 268,999,079.40, 371,207,260.06 and 149,915,335.03 is: 206,876,770.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,999,079.40 : 371,207,260.06 = 149,915,335.03 : x
  2. Step 2: Convert to fraction form
    268,999,079.40/371,207,260.06 = 149,915,335.03/x
  3. Step 3: Cross multiply
    268,999,079.40x = 371,207,260.06 × 149,915,335.03
  4. Step 4: Simplify right side
    268,999,079.40x = 55,649,660,756,160,432
  5. Step 5: Solve for x
    x = 55,649,660,756,160,432/268,999,079.40
  6. Step 6: Final answer
    x = 206,876,770.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.