Home / 196,838,559.30-271,631,949.03-108,730,660.71

Finding the Fourth Proportional to 196,838,559.30, 271,631,949.03 and 108,730,660.71

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Solution

The fourth proportional to 196,838,559.30, 271,631,949.03 and 108,730,660.71 is: 150,045,404.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,838,559.30 : 271,631,949.03 = 108,730,660.71 : x
  2. Step 2: Convert to fraction form
    196,838,559.30/271,631,949.03 = 108,730,660.71/x
  3. Step 3: Cross multiply
    196,838,559.30x = 271,631,949.03 × 108,730,660.71
  4. Step 4: Simplify right side
    196,838,559.30x = 29,534,721,287,976,940
  5. Step 5: Solve for x
    x = 29,534,721,287,976,940/196,838,559.30
  6. Step 6: Final answer
    x = 150,045,404.69

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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.