Home / 81,008,677.32-111,792,315.18-43,838,959.14

Finding the Fourth Proportional to 81,008,677.32, 111,792,315.18 and 43,838,959.14

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Solution

The fourth proportional to 81,008,677.32, 111,792,315.18 and 43,838,959.14 is: 60,497,947.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,008,677.32 : 111,792,315.18 = 43,838,959.14 : x
  2. Step 2: Convert to fraction form
    81,008,677.32/111,792,315.18 = 43,838,959.14/x
  3. Step 3: Cross multiply
    81,008,677.32x = 111,792,315.18 × 43,838,959.14
  4. Step 4: Simplify right side
    81,008,677.32x = 4,900,858,737,342,022
  5. Step 5: Solve for x
    x = 4,900,858,737,342,022/81,008,677.32
  6. Step 6: Final answer
    x = 60,497,947.87

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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.