Home / 219,791,190.96-329,616,790.26-72,204,492.90

Finding the Fourth Proportional to 219,791,190.96, 329,616,790.26 and 72,204,492.90

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Solution

The fourth proportional to 219,791,190.96, 329,616,790.26 and 72,204,492.90 is: 108,283,744.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,791,190.96 : 329,616,790.26 = 72,204,492.90 : x
  2. Step 2: Convert to fraction form
    219,791,190.96/329,616,790.26 = 72,204,492.90/x
  3. Step 3: Cross multiply
    219,791,190.96x = 329,616,790.26 × 72,204,492.90
  4. Step 4: Simplify right side
    219,791,190.96x = 23,799,813,192,048,960
  5. Step 5: Solve for x
    x = 23,799,813,192,048,960/219,791,190.96
  6. Step 6: Final answer
    x = 108,283,744.62

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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.