Home / 81,325,231.82-121,989,305.65-29,546,607.18

Finding the Fourth Proportional to 81,325,231.82, 121,989,305.65 and 29,546,607.18

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Solution

The fourth proportional to 81,325,231.82, 121,989,305.65 and 29,546,607.18 is: 44,320,440.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,325,231.82 : 121,989,305.65 = 29,546,607.18 : x
  2. Step 2: Convert to fraction form
    81,325,231.82/121,989,305.65 = 29,546,607.18/x
  3. Step 3: Cross multiply
    81,325,231.82x = 121,989,305.65 × 29,546,607.18
  4. Step 4: Simplify right side
    81,325,231.82x = 3,604,370,094,201,504.50
  5. Step 5: Solve for x
    x = 3,604,370,094,201,504.50/81,325,231.82
  6. Step 6: Final answer
    x = 44,320,440.45

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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.