Home / 199,749,632-275,654,492.16-108,179,456

Finding the Fourth Proportional to 199,749,632, 275,654,492.16 and 108,179,456

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Solution

The fourth proportional to 199,749,632, 275,654,492.16 and 108,179,456 is: 149,287,649.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,749,632 : 275,654,492.16 = 108,179,456 : x
  2. Step 2: Convert to fraction form
    199,749,632/275,654,492.16 = 108,179,456/x
  3. Step 3: Cross multiply
    199,749,632x = 275,654,492.16 × 108,179,456
  4. Step 4: Simplify right side
    199,749,632x = 29,820,153,005,825,068
  5. Step 5: Solve for x
    x = 29,820,153,005,825,068/199,749,632
  6. Step 6: Final answer
    x = 149,287,649.28

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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.