Home / 84,694,818.44-127,054,824.78-39,261,205.64

Finding the Fourth Proportional to 84,694,818.44, 127,054,824.78 and 39,261,205.64

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Solution

The fourth proportional to 84,694,818.44, 127,054,824.78 and 39,261,205.64 is: 58,897,647.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,694,818.44 : 127,054,824.78 = 39,261,205.64 : x
  2. Step 2: Convert to fraction form
    84,694,818.44/127,054,824.78 = 39,261,205.64/x
  3. Step 3: Cross multiply
    84,694,818.44x = 127,054,824.78 × 39,261,205.64
  4. Step 4: Simplify right side
    84,694,818.44x = 4,988,325,603,241,748
  5. Step 5: Solve for x
    x = 4,988,325,603,241,748/84,694,818.44
  6. Step 6: Final answer
    x = 58,897,647.99

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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.