Home / 80,622,234,720.80-120,933,352,081.20-73,269,547,719.20

Finding the Fourth Proportional to 80,622,234,720.80, 120,933,352,081.20 and 73,269,547,719.20

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Solution

The fourth proportional to 80,622,234,720.80, 120,933,352,081.20 and 73,269,547,719.20 is: 109,904,321,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,622,234,720.80 : 120,933,352,081.20 = 73,269,547,719.20 : x
  2. Step 2: Convert to fraction form
    80,622,234,720.80/120,933,352,081.20 = 73,269,547,719.20/x
  3. Step 3: Cross multiply
    80,622,234,720.80x = 120,933,352,081.20 × 73,269,547,719.20
  4. Step 4: Simplify right side
    80,622,234,720.80x = 8,860,732,011,156,297,744,384
  5. Step 5: Solve for x
    x = 8,860,732,011,156,297,744,384/80,622,234,720.80
  6. Step 6: Final answer
    x = 109,904,321,578.80

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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.