Home / 66,443,063.20-99,683,257.20-32,365,520.80

Finding the Fourth Proportional to 66,443,063.20, 99,683,257.20 and 32,365,520.80

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Solution

The fourth proportional to 66,443,063.20, 99,683,257.20 and 32,365,520.80 is: 48,557,371.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,443,063.20 : 99,683,257.20 = 32,365,520.80 : x
  2. Step 2: Convert to fraction form
    66,443,063.20/99,683,257.20 = 32,365,520.80/x
  3. Step 3: Cross multiply
    66,443,063.20x = 99,683,257.20 × 32,365,520.80
  4. Step 4: Simplify right side
    66,443,063.20x = 3,226,300,534,318,350
  5. Step 5: Solve for x
    x = 3,226,300,534,318,350/66,443,063.20
  6. Step 6: Final answer
    x = 48,557,371.97

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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.