Home / 189,906,712.25-284,820,209.78-53,560,209.29

Finding the Fourth Proportional to 189,906,712.25, 284,820,209.78 and 53,560,209.29

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Solution

The fourth proportional to 189,906,712.25, 284,820,209.78 and 53,560,209.29 is: 80,329,072.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,906,712.25 : 284,820,209.78 = 53,560,209.29 : x
  2. Step 2: Convert to fraction form
    189,906,712.25/284,820,209.78 = 53,560,209.29/x
  3. Step 3: Cross multiply
    189,906,712.25x = 284,820,209.78 × 53,560,209.29
  4. Step 4: Simplify right side
    189,906,712.25x = 15,255,030,044,146,600
  5. Step 5: Solve for x
    x = 15,255,030,044,146,600/189,906,712.25
  6. Step 6: Final answer
    x = 80,329,072.44

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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.