Home / 196,945,456.32-271,790,160.48-108,845,164.80

Finding the Fourth Proportional to 196,945,456.32, 271,790,160.48 and 108,845,164.80

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Solution

The fourth proportional to 196,945,456.32, 271,790,160.48 and 108,845,164.80 is: 150,209,328.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,945,456.32 : 271,790,160.48 = 108,845,164.80 : x
  2. Step 2: Convert to fraction form
    196,945,456.32/271,790,160.48 = 108,845,164.80/x
  3. Step 3: Cross multiply
    196,945,456.32x = 271,790,160.48 × 108,845,164.80
  4. Step 4: Simplify right side
    196,945,456.32x = 29,583,044,808,464,048
  5. Step 5: Solve for x
    x = 29,583,044,808,464,048/196,945,456.32
  6. Step 6: Final answer
    x = 150,209,328.82

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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.