Home / 66,429,473.20-99,662,872.20-32,351,930.80

Finding the Fourth Proportional to 66,429,473.20, 99,662,872.20 and 32,351,930.80

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Solution

The fourth proportional to 66,429,473.20, 99,662,872.20 and 32,351,930.80 is: 48,536,985.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429,473.20 : 99,662,872.20 = 32,351,930.80 : x
  2. Step 2: Convert to fraction form
    66,429,473.20/99,662,872.20 = 32,351,930.80/x
  3. Step 3: Cross multiply
    66,429,473.20x = 99,662,872.20 × 32,351,930.80
  4. Step 4: Simplify right side
    66,429,473.20x = 3,224,286,344,743,644
  5. Step 5: Solve for x
    x = 3,224,286,344,743,644/66,429,473.20
  6. Step 6: Final answer
    x = 48,536,985.01

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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.