Home / 66,449,902.20-99,674,853.30-49,443,790.20

Finding the Fourth Proportional to 66,449,902.20, 99,674,853.30 and 49,443,790.20

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Solution

The fourth proportional to 66,449,902.20, 99,674,853.30 and 49,443,790.20 is: 74,165,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,449,902.20 : 99,674,853.30 = 49,443,790.20 : x
  2. Step 2: Convert to fraction form
    66,449,902.20/99,674,853.30 = 49,443,790.20/x
  3. Step 3: Cross multiply
    66,449,902.20x = 99,674,853.30 × 49,443,790.20
  4. Step 4: Simplify right side
    66,449,902.20x = 4,928,302,534,780,978
  5. Step 5: Solve for x
    x = 4,928,302,534,780,978/66,449,902.20
  6. Step 6: Final answer
    x = 74,165,685.30

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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.