Home / 80,406,771.39-120,598,766.87-25,812,167.67

Finding the Fourth Proportional to 80,406,771.39, 120,598,766.87 and 25,812,167.67

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Solution

The fourth proportional to 80,406,771.39, 120,598,766.87 and 25,812,167.67 is: 38,714,595.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,406,771.39 : 120,598,766.87 = 25,812,167.67 : x
  2. Step 2: Convert to fraction form
    80,406,771.39/120,598,766.87 = 25,812,167.67/x
  3. Step 3: Cross multiply
    80,406,771.39x = 120,598,766.87 × 25,812,167.67
  4. Step 4: Simplify right side
    80,406,771.39x = 3,112,915,591,114,620.50
  5. Step 5: Solve for x
    x = 3,112,915,591,114,620.50/80,406,771.39
  6. Step 6: Final answer
    x = 38,714,595.02

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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.