Home / 204,175,869.22-306,188,766.51-72,982,742.86

Finding the Fourth Proportional to 204,175,869.22, 306,188,766.51 and 72,982,742.86

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Solution

The fourth proportional to 204,175,869.22, 306,188,766.51 and 72,982,742.86 is: 109,447,292.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,175,869.22 : 306,188,766.51 = 72,982,742.86 : x
  2. Step 2: Convert to fraction form
    204,175,869.22/306,188,766.51 = 72,982,742.86/x
  3. Step 3: Cross multiply
    204,175,869.22x = 306,188,766.51 × 72,982,742.86
  4. Step 4: Simplify right side
    204,175,869.22x = 22,346,496,012,819,908
  5. Step 5: Solve for x
    x = 22,346,496,012,819,908/204,175,869.22
  6. Step 6: Final answer
    x = 109,447,292.17

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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.