Home / 248,934,742.40-372,646,286.40-221,724,963.20

Finding the Fourth Proportional to 248,934,742.40, 372,646,286.40 and 221,724,963.20

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Solution

The fourth proportional to 248,934,742.40, 372,646,286.40 and 221,724,963.20 is: 331,914,233.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,934,742.40 : 372,646,286.40 = 221,724,963.20 : x
  2. Step 2: Convert to fraction form
    248,934,742.40/372,646,286.40 = 221,724,963.20/x
  3. Step 3: Cross multiply
    248,934,742.40x = 372,646,286.40 × 221,724,963.20
  4. Step 4: Simplify right side
    248,934,742.40x = 82,624,984,138,656,656
  5. Step 5: Solve for x
    x = 82,624,984,138,656,656/248,934,742.40
  6. Step 6: Final answer
    x = 331,914,233.19

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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.