Home / 144,230,081.45-199,037,687.39-78,150,528.50

Finding the Fourth Proportional to 144,230,081.45, 199,037,687.39 and 78,150,528.50

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Solution

The fourth proportional to 144,230,081.45, 199,037,687.39 and 78,150,528.50 is: 107,847,824.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,230,081.45 : 199,037,687.39 = 78,150,528.50 : x
  2. Step 2: Convert to fraction form
    144,230,081.45/199,037,687.39 = 78,150,528.50/x
  3. Step 3: Cross multiply
    144,230,081.45x = 199,037,687.39 × 78,150,528.50
  4. Step 4: Simplify right side
    144,230,081.45x = 15,554,900,459,560,344
  5. Step 5: Solve for x
    x = 15,554,900,459,560,344/144,230,081.45
  6. Step 6: Final answer
    x = 107,847,824.14

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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.