Home / 80,588,000.20-120,882,000.30-58,081,145.80

Finding the Fourth Proportional to 80,588,000.20, 120,882,000.30 and 58,081,145.80

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Solution

The fourth proportional to 80,588,000.20, 120,882,000.30 and 58,081,145.80 is: 87,121,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,588,000.20 : 120,882,000.30 = 58,081,145.80 : x
  2. Step 2: Convert to fraction form
    80,588,000.20/120,882,000.30 = 58,081,145.80/x
  3. Step 3: Cross multiply
    80,588,000.20x = 120,882,000.30 × 58,081,145.80
  4. Step 4: Simplify right side
    80,588,000.20x = 7,020,965,084,019,943
  5. Step 5: Solve for x
    x = 7,020,965,084,019,943/80,588,000.20
  6. Step 6: Final answer
    x = 87,121,718.70

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1.5x scale

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.