Home / 121,418,528.98-167,558,071.41-65,663,948.23

Finding the Fourth Proportional to 121,418,528.98, 167,558,071.41 and 65,663,948.23

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Solution

The fourth proportional to 121,418,528.98, 167,558,071.41 and 65,663,948.23 is: 90,616,519.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,418,528.98 : 167,558,071.41 = 65,663,948.23 : x
  2. Step 2: Convert to fraction form
    121,418,528.98/167,558,071.41 = 65,663,948.23/x
  3. Step 3: Cross multiply
    121,418,528.98x = 167,558,071.41 × 65,663,948.23
  4. Step 4: Simplify right side
    121,418,528.98x = 11,002,524,526,584,882
  5. Step 5: Solve for x
    x = 11,002,524,526,584,882/121,418,528.98
  6. Step 6: Final answer
    x = 90,616,519.73

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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.