Home / 175,521,620.31-242,103,205.76-112,876,920.15

Finding the Fourth Proportional to 175,521,620.31, 242,103,205.76 and 112,876,920.15

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Solution

The fourth proportional to 175,521,620.31, 242,103,205.76 and 112,876,920.15 is: 155,695,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,521,620.31 : 242,103,205.76 = 112,876,920.15 : x
  2. Step 2: Convert to fraction form
    175,521,620.31/242,103,205.76 = 112,876,920.15/x
  3. Step 3: Cross multiply
    175,521,620.31x = 242,103,205.76 × 112,876,920.15
  4. Step 4: Simplify right side
    175,521,620.31x = 27,327,864,224,630,540
  5. Step 5: Solve for x
    x = 27,327,864,224,630,540/175,521,620.31
  6. Step 6: Final answer
    x = 155,695,145.57

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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.