Home / 242,655,152.20-363,982,728.30-161,025,814.60

Finding the Fourth Proportional to 242,655,152.20, 363,982,728.30 and 161,025,814.60

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Solution

The fourth proportional to 242,655,152.20, 363,982,728.30 and 161,025,814.60 is: 241,538,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,655,152.20 : 363,982,728.30 = 161,025,814.60 : x
  2. Step 2: Convert to fraction form
    242,655,152.20/363,982,728.30 = 161,025,814.60/x
  3. Step 3: Cross multiply
    242,655,152.20x = 363,982,728.30 × 161,025,814.60
  4. Step 4: Simplify right side
    242,655,152.20x = 58,610,615,324,837,976
  5. Step 5: Solve for x
    x = 58,610,615,324,837,976/242,655,152.20
  6. Step 6: Final answer
    x = 241,538,721.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.