Home / 219,914,046.40-329,654,119.20-122,916,222.40

Finding the Fourth Proportional to 219,914,046.40, 329,654,119.20 and 122,916,222.40

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Solution

The fourth proportional to 219,914,046.40, 329,654,119.20 and 122,916,222.40 is: 184,253,073.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,914,046.40 : 329,654,119.20 = 122,916,222.40 : x
  2. Step 2: Convert to fraction form
    219,914,046.40/329,654,119.20 = 122,916,222.40/x
  3. Step 3: Cross multiply
    219,914,046.40x = 329,654,119.20 × 122,916,222.40
  4. Step 4: Simplify right side
    219,914,046.40x = 40,519,839,030,663,312
  5. Step 5: Solve for x
    x = 40,519,839,030,663,312/219,914,046.40
  6. Step 6: Final answer
    x = 184,253,073.84

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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.