Home / 54,917,812.17-81,891,512.82-54,424,901.25

Finding the Fourth Proportional to 54,917,812.17, 81,891,512.82 and 54,424,901.25

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Solution

The fourth proportional to 54,917,812.17, 81,891,512.82 and 54,424,901.25 is: 81,156,501.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,917,812.17 : 81,891,512.82 = 54,424,901.25 : x
  2. Step 2: Convert to fraction form
    54,917,812.17/81,891,512.82 = 54,424,901.25/x
  3. Step 3: Cross multiply
    54,917,812.17x = 81,891,512.82 × 54,424,901.25
  4. Step 4: Simplify right side
    54,917,812.17x = 4,456,937,498,441,608.50
  5. Step 5: Solve for x
    x = 4,456,937,498,441,608.50/54,917,812.17
  6. Step 6: Final answer
    x = 81,156,501.37

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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.