Home / 81,711,463.13-112,760,901.90-44,540,929.56

Finding the Fourth Proportional to 81,711,463.13, 112,760,901.90 and 44,540,929.56

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Solution

The fourth proportional to 81,711,463.13, 112,760,901.90 and 44,540,929.56 is: 61,465,982.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,711,463.13 : 112,760,901.90 = 44,540,929.56 : x
  2. Step 2: Convert to fraction form
    81,711,463.13/112,760,901.90 = 44,540,929.56/x
  3. Step 3: Cross multiply
    81,711,463.13x = 112,760,901.90 × 44,540,929.56
  4. Step 4: Simplify right side
    81,711,463.13x = 5,022,475,388,649,971
  5. Step 5: Solve for x
    x = 5,022,475,388,649,971/81,711,463.13
  6. Step 6: Final answer
    x = 61,465,982.82

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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.