Home / 81,711,521.91-112,760,982.09-44,540,988.30

Finding the Fourth Proportional to 81,711,521.91, 112,760,982.09 and 44,540,988.30

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Solution

The fourth proportional to 81,711,521.91, 112,760,982.09 and 44,540,988.30 is: 61,466,063.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,711,521.91 : 112,760,982.09 = 44,540,988.30 : x
  2. Step 2: Convert to fraction form
    81,711,521.91/112,760,982.09 = 44,540,988.30/x
  3. Step 3: Cross multiply
    81,711,521.91x = 112,760,982.09 × 44,540,988.30
  4. Step 4: Simplify right side
    81,711,521.91x = 5,022,485,583,967,199
  5. Step 5: Solve for x
    x = 5,022,485,583,967,199/81,711,521.91
  6. Step 6: Final answer
    x = 61,466,063.37

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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.