Home / 81,216,228.40-121,770,542.40-44,842,044.40

Finding the Fourth Proportional to 81,216,228.40, 121,770,542.40 and 44,842,044.40

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Solution

The fourth proportional to 81,216,228.40, 121,770,542.40 and 44,842,044.40 is: 67,233,361.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,216,228.40 : 121,770,542.40 = 44,842,044.40 : x
  2. Step 2: Convert to fraction form
    81,216,228.40/121,770,542.40 = 44,842,044.40/x
  3. Step 3: Cross multiply
    81,216,228.40x = 121,770,542.40 × 44,842,044.40
  4. Step 4: Simplify right side
    81,216,228.40x = 5,460,440,068,912,883
  5. Step 5: Solve for x
    x = 5,460,440,068,912,883/81,216,228.40
  6. Step 6: Final answer
    x = 67,233,361.81

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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.