Home / 109,183,582.80-163,775,374.20-51,787,954.80

Finding the Fourth Proportional to 109,183,582.80, 163,775,374.20 and 51,787,954.80

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Solution

The fourth proportional to 109,183,582.80, 163,775,374.20 and 51,787,954.80 is: 77,681,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,183,582.80 : 163,775,374.20 = 51,787,954.80 : x
  2. Step 2: Convert to fraction form
    109,183,582.80/163,775,374.20 = 51,787,954.80/x
  3. Step 3: Cross multiply
    109,183,582.80x = 163,775,374.20 × 51,787,954.80
  4. Step 4: Simplify right side
    109,183,582.80x = 8,481,591,676,422,685
  5. Step 5: Solve for x
    x = 8,481,591,676,422,685/109,183,582.80
  6. Step 6: Final answer
    x = 77,681,932.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.