Home / 276,798,312.40-414,914,033.40-161,723,621.20

Finding the Fourth Proportional to 276,798,312.40, 414,914,033.40 and 161,723,621.20

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Solution

The fourth proportional to 276,798,312.40, 414,914,033.40 and 161,723,621.20 is: 242,419,830.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,798,312.40 : 414,914,033.40 = 161,723,621.20 : x
  2. Step 2: Convert to fraction form
    276,798,312.40/414,914,033.40 = 161,723,621.20/x
  3. Step 3: Cross multiply
    276,798,312.40x = 414,914,033.40 × 161,723,621.20
  4. Step 4: Simplify right side
    276,798,312.40x = 67,101,399,968,145,736
  5. Step 5: Solve for x
    x = 67,101,399,968,145,736/276,798,312.40
  6. Step 6: Final answer
    x = 242,419,830.48

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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.