Home / 268,999,088.40-371,207,272.46-149,915,344.04

Finding the Fourth Proportional to 268,999,088.40, 371,207,272.46 and 149,915,344.04

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Solution

The fourth proportional to 268,999,088.40, 371,207,272.46 and 149,915,344.04 is: 206,876,782.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,999,088.40 : 371,207,272.46 = 149,915,344.04 : x
  2. Step 2: Convert to fraction form
    268,999,088.40/371,207,272.46 = 149,915,344.04/x
  3. Step 3: Cross multiply
    268,999,088.40x = 371,207,272.46 × 149,915,344.04
  4. Step 4: Simplify right side
    268,999,088.40x = 55,649,665,960,990,912
  5. Step 5: Solve for x
    x = 55,649,665,960,990,912/268,999,088.40
  6. Step 6: Final answer
    x = 206,876,782.71

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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.