Home / 106,420,679.20-159,232,426.80-75,786,080.80

Finding the Fourth Proportional to 106,420,679.20, 159,232,426.80 and 75,786,080.80

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Solution

The fourth proportional to 106,420,679.20, 159,232,426.80 and 75,786,080.80 is: 113,395,269.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,420,679.20 : 159,232,426.80 = 75,786,080.80 : x
  2. Step 2: Convert to fraction form
    106,420,679.20/159,232,426.80 = 75,786,080.80/x
  3. Step 3: Cross multiply
    106,420,679.20x = 159,232,426.80 × 75,786,080.80
  4. Step 4: Simplify right side
    106,420,679.20x = 12,067,601,563,444,886
  5. Step 5: Solve for x
    x = 12,067,601,563,444,886/106,420,679.20
  6. Step 6: Final answer
    x = 113,395,269.17

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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.