Home / 54,917,125.67-81,890,489.43-54,424,214.15

Finding the Fourth Proportional to 54,917,125.67, 81,890,489.43 and 54,424,214.15

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Solution

The fourth proportional to 54,917,125.67, 81,890,489.43 and 54,424,214.15 is: 81,155,477.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,917,125.67 : 81,890,489.43 = 54,424,214.15 : x
  2. Step 2: Convert to fraction form
    54,917,125.67/81,890,489.43 = 54,424,214.15/x
  3. Step 3: Cross multiply
    54,917,125.67x = 81,890,489.43 × 54,424,214.15
  4. Step 4: Simplify right side
    54,917,125.67x = 4,456,825,533,177,179.50
  5. Step 5: Solve for x
    x = 4,456,825,533,177,179.50/54,917,125.67
  6. Step 6: Final answer
    x = 81,155,477.07

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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.