Home / 144,373,788.41-199,244,254.61-81,655,446.62

Finding the Fourth Proportional to 144,373,788.41, 199,244,254.61 and 81,655,446.62

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Solution

The fourth proportional to 144,373,788.41, 199,244,254.61 and 81,655,446.62 is: 112,689,282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,373,788.41 : 199,244,254.61 = 81,655,446.62 : x
  2. Step 2: Convert to fraction form
    144,373,788.41/199,244,254.61 = 81,655,446.62/x
  3. Step 3: Cross multiply
    144,373,788.41x = 199,244,254.61 × 81,655,446.62
  4. Step 4: Simplify right side
    144,373,788.41x = 16,269,378,597,350,794
  5. Step 5: Solve for x
    x = 16,269,378,597,350,794/144,373,788.41
  6. Step 6: Final answer
    x = 112,689,282.29

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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.