Home / 78,976,308.53-108,992,825.76-44,172,215.57

Finding the Fourth Proportional to 78,976,308.53, 108,992,825.76 and 44,172,215.57

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Solution

The fourth proportional to 78,976,308.53, 108,992,825.76 and 44,172,215.57 is: 60,960,744.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,976,308.53 : 108,992,825.76 = 44,172,215.57 : x
  2. Step 2: Convert to fraction form
    78,976,308.53/108,992,825.76 = 44,172,215.57/x
  3. Step 3: Cross multiply
    78,976,308.53x = 108,992,825.76 × 44,172,215.57
  4. Step 4: Simplify right side
    78,976,308.53x = 4,814,454,594,509,205
  5. Step 5: Solve for x
    x = 4,814,454,594,509,205/78,976,308.53
  6. Step 6: Final answer
    x = 60,960,744.87

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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.