Home / 84,044,031.36-115,982,537.94-47,374,592.64

Finding the Fourth Proportional to 84,044,031.36, 115,982,537.94 and 47,374,592.64

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Solution

The fourth proportional to 84,044,031.36, 115,982,537.94 and 47,374,592.64 is: 65,377,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,044,031.36 : 115,982,537.94 = 47,374,592.64 : x
  2. Step 2: Convert to fraction form
    84,044,031.36/115,982,537.94 = 47,374,592.64/x
  3. Step 3: Cross multiply
    84,044,031.36x = 115,982,537.94 × 47,374,592.64
  4. Step 4: Simplify right side
    84,044,031.36x = 5,494,625,488,260,845
  5. Step 5: Solve for x
    x = 5,494,625,488,260,845/84,044,031.36
  6. Step 6: Final answer
    x = 65,377,938.20

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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.