Home / 54,112,936.75-81,182,857.60-15,774,787.87

Finding the Fourth Proportional to 54,112,936.75, 81,182,857.60 and 15,774,787.87

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Solution

The fourth proportional to 54,112,936.75, 81,182,857.60 and 15,774,787.87 is: 23,666,103.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,112,936.75 : 81,182,857.60 = 15,774,787.87 : x
  2. Step 2: Convert to fraction form
    54,112,936.75/81,182,857.60 = 15,774,787.87/x
  3. Step 3: Cross multiply
    54,112,936.75x = 81,182,857.60 × 15,774,787.87
  4. Step 4: Simplify right side
    54,112,936.75x = 1,280,642,357,320,417.25
  5. Step 5: Solve for x
    x = 1,280,642,357,320,417.25/54,112,936.75
  6. Step 6: Final answer
    x = 23,666,103.42

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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.