Home / 144,855,085.28-217,378,352.96-68,200,035.36

Finding the Fourth Proportional to 144,855,085.28, 217,378,352.96 and 68,200,035.36

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Solution

The fourth proportional to 144,855,085.28, 217,378,352.96 and 68,200,035.36 is: 102,345,121.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,855,085.28 : 217,378,352.96 = 68,200,035.36 : x
  2. Step 2: Convert to fraction form
    144,855,085.28/217,378,352.96 = 68,200,035.36/x
  3. Step 3: Cross multiply
    144,855,085.28x = 217,378,352.96 × 68,200,035.36
  4. Step 4: Simplify right side
    144,855,085.28x = 14,825,211,358,370,562
  5. Step 5: Solve for x
    x = 14,825,211,358,370,562/144,855,085.28
  6. Step 6: Final answer
    x = 102,345,121.88

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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.