Home / 91,778,175.60-126,650,002.38-49,961,371.56

Finding the Fourth Proportional to 91,778,175.60, 126,650,002.38 and 49,961,371.56

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Solution

The fourth proportional to 91,778,175.60, 126,650,002.38 and 49,961,371.56 is: 68,944,580.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,778,175.60 : 126,650,002.38 = 49,961,371.56 : x
  2. Step 2: Convert to fraction form
    91,778,175.60/126,650,002.38 = 49,961,371.56/x
  3. Step 3: Cross multiply
    91,778,175.60x = 126,650,002.38 × 49,961,371.56
  4. Step 4: Simplify right side
    91,778,175.60x = 6,327,607,826,982,064
  5. Step 5: Solve for x
    x = 6,327,607,826,982,064/91,778,175.60
  6. Step 6: Final answer
    x = 68,944,580.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.