Home / 42,162,310.20-63,196,226.10-17,897,107.80

Finding the Fourth Proportional to 42,162,310.20, 63,196,226.10 and 17,897,107.80

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Solution

The fourth proportional to 42,162,310.20, 63,196,226.10 and 17,897,107.80 is: 26,825,609.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,162,310.20 : 63,196,226.10 = 17,897,107.80 : x
  2. Step 2: Convert to fraction form
    42,162,310.20/63,196,226.10 = 17,897,107.80/x
  3. Step 3: Cross multiply
    42,162,310.20x = 63,196,226.10 × 17,897,107.80
  4. Step 4: Simplify right side
    42,162,310.20x = 1,131,029,671,064,873.75
  5. Step 5: Solve for x
    x = 1,131,029,671,064,873.75/42,162,310.20
  6. Step 6: Final answer
    x = 26,825,609.55

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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.