Home / 82,377,008.20-123,565,512.30-20,966,048.20

Finding the Fourth Proportional to 82,377,008.20, 123,565,512.30 and 20,966,048.20

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Solution

The fourth proportional to 82,377,008.20, 123,565,512.30 and 20,966,048.20 is: 31,449,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,377,008.20 : 123,565,512.30 = 20,966,048.20 : x
  2. Step 2: Convert to fraction form
    82,377,008.20/123,565,512.30 = 20,966,048.20/x
  3. Step 3: Cross multiply
    82,377,008.20x = 123,565,512.30 × 20,966,048.20
  4. Step 4: Simplify right side
    82,377,008.20x = 2,590,680,486,739,492.50
  5. Step 5: Solve for x
    x = 2,590,680,486,739,492.50/82,377,008.20
  6. Step 6: Final answer
    x = 31,449,072.30

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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.