Home / 266,119,408.60-399,179,112.90-163,550,858.20

Finding the Fourth Proportional to 266,119,408.60, 399,179,112.90 and 163,550,858.20

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Solution

The fourth proportional to 266,119,408.60, 399,179,112.90 and 163,550,858.20 is: 245,326,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,119,408.60 : 399,179,112.90 = 163,550,858.20 : x
  2. Step 2: Convert to fraction form
    266,119,408.60/399,179,112.90 = 163,550,858.20/x
  3. Step 3: Cross multiply
    266,119,408.60x = 399,179,112.90 × 163,550,858.20
  4. Step 4: Simplify right side
    266,119,408.60x = 65,286,086,490,309,680
  5. Step 5: Solve for x
    x = 65,286,086,490,309,680/266,119,408.60
  6. Step 6: Final answer
    x = 245,326,287.30

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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.