Home / 260,794,514.61-391,248,225.66-79,055,397.81

Finding the Fourth Proportional to 260,794,514.61, 391,248,225.66 and 79,055,397.81

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Solution

The fourth proportional to 260,794,514.61, 391,248,225.66 and 79,055,397.81 is: 118,600,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,794,514.61 : 391,248,225.66 = 79,055,397.81 : x
  2. Step 2: Convert to fraction form
    260,794,514.61/391,248,225.66 = 79,055,397.81/x
  3. Step 3: Cross multiply
    260,794,514.61x = 391,248,225.66 × 79,055,397.81
  4. Step 4: Simplify right side
    260,794,514.61x = 30,930,284,122,007,952
  5. Step 5: Solve for x
    x = 30,930,284,122,007,952/260,794,514.61
  6. Step 6: Final answer
    x = 118,600,209.70

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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.