Home / 196,838,556.55-271,631,945.24-108,730,657.96

Finding the Fourth Proportional to 196,838,556.55, 271,631,945.24 and 108,730,657.96

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Solution

The fourth proportional to 196,838,556.55, 271,631,945.24 and 108,730,657.96 is: 150,045,400.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,838,556.55 : 271,631,945.24 = 108,730,657.96 : x
  2. Step 2: Convert to fraction form
    196,838,556.55/271,631,945.24 = 108,730,657.96/x
  3. Step 3: Cross multiply
    196,838,556.55x = 271,631,945.24 × 108,730,657.96
  4. Step 4: Simplify right side
    196,838,556.55x = 29,534,720,128,356,236
  5. Step 5: Solve for x
    x = 29,534,720,128,356,236/196,838,556.55
  6. Step 6: Final answer
    x = 150,045,400.89

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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.