Home / 121,717,925.52-167,974,799.40-66,713,922.96

Finding the Fourth Proportional to 121,717,925.52, 167,974,799.40 and 66,713,922.96

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Solution

The fourth proportional to 121,717,925.52, 167,974,799.40 and 66,713,922.96 is: 92,067,440.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,717,925.52 : 167,974,799.40 = 66,713,922.96 : x
  2. Step 2: Convert to fraction form
    121,717,925.52/167,974,799.40 = 66,713,922.96/x
  3. Step 3: Cross multiply
    121,717,925.52x = 167,974,799.40 × 66,713,922.96
  4. Step 4: Simplify right side
    121,717,925.52x = 11,206,257,826,393,054
  5. Step 5: Solve for x
    x = 11,206,257,826,393,054/121,717,925.52
  6. Step 6: Final answer
    x = 92,067,440.18

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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.