Home / 140,480,799,209.08-193,858,486,951.28-79,511,857,403.36

Finding the Fourth Proportional to 140,480,799,209.08, 193,858,486,951.28 and 79,511,857,403.36

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Solution

The fourth proportional to 140,480,799,209.08, 193,858,486,951.28 and 79,511,857,403.36 is: 109,723,524,194.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,480,799,209.08 : 193,858,486,951.28 = 79,511,857,403.36 : x
  2. Step 2: Convert to fraction form
    140,480,799,209.08/193,858,486,951.28 = 79,511,857,403.36/x
  3. Step 3: Cross multiply
    140,480,799,209.08x = 193,858,486,951.28 × 79,511,857,403.36
  4. Step 4: Simplify right side
    140,480,799,209.08x = 15,414,048,370,900,330,348,544
  5. Step 5: Solve for x
    x = 15,414,048,370,900,330,348,544/140,480,799,209.08
  6. Step 6: Final answer
    x = 109,723,524,194.64

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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.