Home / 196,479,356.47-271,136,760.41-108,371,461.48

Finding the Fourth Proportional to 196,479,356.47, 271,136,760.41 and 108,371,461.48

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Solution

The fourth proportional to 196,479,356.47, 271,136,760.41 and 108,371,461.48 is: 149,549,996.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,479,356.47 : 271,136,760.41 = 108,371,461.48 : x
  2. Step 2: Convert to fraction form
    196,479,356.47/271,136,760.41 = 108,371,461.48/x
  3. Step 3: Cross multiply
    196,479,356.47x = 271,136,760.41 × 108,371,461.48
  4. Step 4: Simplify right side
    196,479,356.47x = 29,383,486,986,177,396
  5. Step 5: Solve for x
    x = 29,383,486,986,177,396/196,479,356.47
  6. Step 6: Final answer
    x = 149,549,996.06

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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.