Home / 54,917,116.09-81,890,475.19-54,424,204.56

Finding the Fourth Proportional to 54,917,116.09, 81,890,475.19 and 54,424,204.56

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Solution

The fourth proportional to 54,917,116.09, 81,890,475.19 and 54,424,204.56 is: 81,155,462.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,917,116.09 : 81,890,475.19 = 54,424,204.56 : x
  2. Step 2: Convert to fraction form
    54,917,116.09/81,890,475.19 = 54,424,204.56/x
  3. Step 3: Cross multiply
    54,917,116.09x = 81,890,475.19 × 54,424,204.56
  4. Step 4: Simplify right side
    54,917,116.09x = 4,456,823,973,120,104.50
  5. Step 5: Solve for x
    x = 4,456,823,973,120,104.50/54,917,116.09
  6. Step 6: Final answer
    x = 81,155,462.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.