Home / 54,625,787.45-75,383,667.74-31,104,343.36

Finding the Fourth Proportional to 54,625,787.45, 75,383,667.74 and 31,104,343.36

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Solution

The fourth proportional to 54,625,787.45, 75,383,667.74 and 31,104,343.36 is: 42,924,039.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,625,787.45 : 75,383,667.74 = 31,104,343.36 : x
  2. Step 2: Convert to fraction form
    54,625,787.45/75,383,667.74 = 31,104,343.36/x
  3. Step 3: Cross multiply
    54,625,787.45x = 75,383,667.74 × 31,104,343.36
  4. Step 4: Simplify right side
    54,625,787.45x = 2,344,759,485,121,115
  5. Step 5: Solve for x
    x = 2,344,759,485,121,115/54,625,787.45
  6. Step 6: Final answer
    x = 42,924,039.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.