Home / 197,033,019.28-271,860,456.96-117,632,627.76

Finding the Fourth Proportional to 197,033,019.28, 271,860,456.96 and 117,632,627.76

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Solution

The fourth proportional to 197,033,019.28, 271,860,456.96 and 117,632,627.76 is: 162,306,094.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,033,019.28 : 271,860,456.96 = 117,632,627.76 : x
  2. Step 2: Convert to fraction form
    197,033,019.28/271,860,456.96 = 117,632,627.76/x
  3. Step 3: Cross multiply
    197,033,019.28x = 271,860,456.96 × 117,632,627.76
  4. Step 4: Simplify right side
    197,033,019.28x = 31,979,659,936,239,180
  5. Step 5: Solve for x
    x = 31,979,659,936,239,180/197,033,019.28
  6. Step 6: Final answer
    x = 162,306,094.95

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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.