Home / 143,227,738.60-197,651,602.38-79,651,976.65

Finding the Fourth Proportional to 143,227,738.60, 197,651,602.38 and 79,651,976.65

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Solution

The fourth proportional to 143,227,738.60, 197,651,602.38 and 79,651,976.65 is: 109,918,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,227,738.60 : 197,651,602.38 = 79,651,976.65 : x
  2. Step 2: Convert to fraction form
    143,227,738.60/197,651,602.38 = 79,651,976.65/x
  3. Step 3: Cross multiply
    143,227,738.60x = 197,651,602.38 × 79,651,976.65
  4. Step 4: Simplify right side
    143,227,738.60x = 15,743,340,817,606,846
  5. Step 5: Solve for x
    x = 15,743,340,817,606,846/143,227,738.60
  6. Step 6: Final answer
    x = 109,918,239.10

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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.