Home / 157,191,104.97-216,918,640.04-90,221,087.43

Finding the Fourth Proportional to 157,191,104.97, 216,918,640.04 and 90,221,087.43

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Solution

The fourth proportional to 157,191,104.97, 216,918,640.04 and 90,221,087.43 is: 124,502,182.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,191,104.97 : 216,918,640.04 = 90,221,087.43 : x
  2. Step 2: Convert to fraction form
    157,191,104.97/216,918,640.04 = 90,221,087.43/x
  3. Step 3: Cross multiply
    157,191,104.97x = 216,918,640.04 × 90,221,087.43
  4. Step 4: Simplify right side
    157,191,104.97x = 19,570,635,587,794,436
  5. Step 5: Solve for x
    x = 19,570,635,587,794,436/157,191,104.97
  6. Step 6: Final answer
    x = 124,502,182.18

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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.