Home / 80,207,656,226.76-120,315,480,601.86-30,524,829,097.80

Finding the Fourth Proportional to 80,207,656,226.76, 120,315,480,601.86 and 30,524,829,097.80

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Solution

The fourth proportional to 80,207,656,226.76, 120,315,480,601.86 and 30,524,829,097.80 is: 45,788,764,514.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,207,656,226.76 : 120,315,480,601.86 = 30,524,829,097.80 : x
  2. Step 2: Convert to fraction form
    80,207,656,226.76/120,315,480,601.86 = 30,524,829,097.80/x
  3. Step 3: Cross multiply
    80,207,656,226.76x = 120,315,480,601.86 × 30,524,829,097.80
  4. Step 4: Simplify right side
    80,207,656,226.76x = 3,672,609,483,191,447,715,840
  5. Step 5: Solve for x
    x = 3,672,609,483,191,447,715,840/80,207,656,226.76
  6. Step 6: Final answer
    x = 45,788,764,514.06

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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.