Home / 80,234,169.84-110,720,050.20-43,563,901.68

Finding the Fourth Proportional to 80,234,169.84, 110,720,050.20 and 43,563,901.68

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Solution

The fourth proportional to 80,234,169.84, 110,720,050.20 and 43,563,901.68 is: 60,116,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,234,169.84 : 110,720,050.20 = 43,563,901.68 : x
  2. Step 2: Convert to fraction form
    80,234,169.84/110,720,050.20 = 43,563,901.68/x
  3. Step 3: Cross multiply
    80,234,169.84x = 110,720,050.20 × 43,563,901.68
  4. Step 4: Simplify right side
    80,234,169.84x = 4,823,397,380,917,464
  5. Step 5: Solve for x
    x = 4,823,397,380,917,464/80,234,169.84
  6. Step 6: Final answer
    x = 60,116,498.87

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1.5x scale

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.