Home / 108,103,188.86-162,413,472.62-69,317,630.54

Finding the Fourth Proportional to 108,103,188.86, 162,413,472.62 and 69,317,630.54

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Solution

The fourth proportional to 108,103,188.86, 162,413,472.62 and 69,317,630.54 is: 104,142,321.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,103,188.86 : 162,413,472.62 = 69,317,630.54 : x
  2. Step 2: Convert to fraction form
    108,103,188.86/162,413,472.62 = 69,317,630.54/x
  3. Step 3: Cross multiply
    108,103,188.86x = 162,413,472.62 × 69,317,630.54
  4. Step 4: Simplify right side
    108,103,188.86x = 11,258,117,089,791,568
  5. Step 5: Solve for x
    x = 11,258,117,089,791,568/108,103,188.86
  6. Step 6: Final answer
    x = 104,142,321.87

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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.