Home / 104,979,375.40-157,469,063.10-66,432,188.20

Finding the Fourth Proportional to 104,979,375.40, 157,469,063.10 and 66,432,188.20

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Solution

The fourth proportional to 104,979,375.40, 157,469,063.10 and 66,432,188.20 is: 99,648,282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,979,375.40 : 157,469,063.10 = 66,432,188.20 : x
  2. Step 2: Convert to fraction form
    104,979,375.40/157,469,063.10 = 66,432,188.20/x
  3. Step 3: Cross multiply
    104,979,375.40x = 157,469,063.10 × 66,432,188.20
  4. Step 4: Simplify right side
    104,979,375.40x = 10,461,014,435,536,876
  5. Step 5: Solve for x
    x = 10,461,014,435,536,876/104,979,375.40
  6. Step 6: Final answer
    x = 99,648,282.30

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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.