Home / 79,906,175.29-119,864,675.76-28,084,477.65

Finding the Fourth Proportional to 79,906,175.29, 119,864,675.76 and 28,084,477.65

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Solution

The fourth proportional to 79,906,175.29, 119,864,675.76 and 28,084,477.65 is: 42,128,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,906,175.29 : 119,864,675.76 = 28,084,477.65 : x
  2. Step 2: Convert to fraction form
    79,906,175.29/119,864,675.76 = 28,084,477.65/x
  3. Step 3: Cross multiply
    79,906,175.29x = 119,864,675.76 × 28,084,477.65
  4. Step 4: Simplify right side
    79,906,175.29x = 3,366,336,806,806,893.50
  5. Step 5: Solve for x
    x = 3,366,336,806,806,893.50/79,906,175.29
  6. Step 6: Final answer
    x = 42,128,618.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.