Home / 173,663,999.20-260,495,998.80-109,040,773.60

Finding the Fourth Proportional to 173,663,999.20, 260,495,998.80 and 109,040,773.60

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Solution

The fourth proportional to 173,663,999.20, 260,495,998.80 and 109,040,773.60 is: 163,561,160.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,663,999.20 : 260,495,998.80 = 109,040,773.60 : x
  2. Step 2: Convert to fraction form
    173,663,999.20/260,495,998.80 = 109,040,773.60/x
  3. Step 3: Cross multiply
    173,663,999.20x = 260,495,998.80 × 109,040,773.60
  4. Step 4: Simplify right side
    173,663,999.20x = 28,404,685,228,856,672
  5. Step 5: Solve for x
    x = 28,404,685,228,856,672/173,663,999.20
  6. Step 6: Final answer
    x = 163,561,160.40

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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.