Home / 79,544,578.76-109,821,949.92-54,468,645.74

Finding the Fourth Proportional to 79,544,578.76, 109,821,949.92 and 54,468,645.74

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Solution

The fourth proportional to 79,544,578.76, 109,821,949.92 and 54,468,645.74 is: 75,201,264.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,544,578.76 : 109,821,949.92 = 54,468,645.74 : x
  2. Step 2: Convert to fraction form
    79,544,578.76/109,821,949.92 = 54,468,645.74/x
  3. Step 3: Cross multiply
    79,544,578.76x = 109,821,949.92 × 54,468,645.74
  4. Step 4: Simplify right side
    79,544,578.76x = 5,981,852,884,668,502
  5. Step 5: Solve for x
    x = 5,981,852,884,668,502/79,544,578.76
  6. Step 6: Final answer
    x = 75,201,264.22

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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.