Home / 81,056,949.60-121,320,003.60-63,008,335.20

Finding the Fourth Proportional to 81,056,949.60, 121,320,003.60 and 63,008,335.20

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Solution

The fourth proportional to 81,056,949.60, 121,320,003.60 and 63,008,335.20 is: 94,306,182.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,056,949.60 : 121,320,003.60 = 63,008,335.20 : x
  2. Step 2: Convert to fraction form
    81,056,949.60/121,320,003.60 = 63,008,335.20/x
  3. Step 3: Cross multiply
    81,056,949.60x = 121,320,003.60 × 63,008,335.20
  4. Step 4: Simplify right side
    81,056,949.60x = 7,644,171,453,294,007
  5. Step 5: Solve for x
    x = 7,644,171,453,294,007/81,056,949.60
  6. Step 6: Final answer
    x = 94,306,182.15

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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.