Home / 272,615,872.20-408,923,808.30-163,776,755.40

Finding the Fourth Proportional to 272,615,872.20, 408,923,808.30 and 163,776,755.40

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Solution

The fourth proportional to 272,615,872.20, 408,923,808.30 and 163,776,755.40 is: 245,665,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,615,872.20 : 408,923,808.30 = 163,776,755.40 : x
  2. Step 2: Convert to fraction form
    272,615,872.20/408,923,808.30 = 163,776,755.40/x
  3. Step 3: Cross multiply
    272,615,872.20x = 408,923,808.30 × 163,776,755.40
  4. Step 4: Simplify right side
    272,615,872.20x = 66,972,214,529,185,592
  5. Step 5: Solve for x
    x = 66,972,214,529,185,592/272,615,872.20
  6. Step 6: Final answer
    x = 245,665,133.10

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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.