Home / 84,431,162.88-116,515,042.56-47,760,952.32

Finding the Fourth Proportional to 84,431,162.88, 116,515,042.56 and 47,760,952.32

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Solution

The fourth proportional to 84,431,162.88, 116,515,042.56 and 47,760,952.32 is: 65,910,135.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,431,162.88 : 116,515,042.56 = 47,760,952.32 : x
  2. Step 2: Convert to fraction form
    84,431,162.88/116,515,042.56 = 47,760,952.32/x
  3. Step 3: Cross multiply
    84,431,162.88x = 116,515,042.56 × 47,760,952.32
  4. Step 4: Simplify right side
    84,431,162.88x = 5,564,869,392,270,931
  5. Step 5: Solve for x
    x = 5,564,869,392,270,931/84,431,162.88
  6. Step 6: Final answer
    x = 65,910,135.58

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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.