Home / 103,324,418.78-142,587,705.65-56,914,672.68

Finding the Fourth Proportional to 103,324,418.78, 142,587,705.65 and 56,914,672.68

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Solution

The fourth proportional to 103,324,418.78, 142,587,705.65 and 56,914,672.68 is: 78,542,252.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,324,418.78 : 142,587,705.65 = 56,914,672.68 : x
  2. Step 2: Convert to fraction form
    103,324,418.78/142,587,705.65 = 56,914,672.68/x
  3. Step 3: Cross multiply
    103,324,418.78x = 142,587,705.65 × 56,914,672.68
  4. Step 4: Simplify right side
    103,324,418.78x = 8,115,332,594,977,364
  5. Step 5: Solve for x
    x = 8,115,332,594,977,364/103,324,418.78
  6. Step 6: Final answer
    x = 78,542,252.56

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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.