Home / 248,276,435.40-372,414,653.10-221,013,512.10

Finding the Fourth Proportional to 248,276,435.40, 372,414,653.10 and 221,013,512.10

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Solution

The fourth proportional to 248,276,435.40, 372,414,653.10 and 221,013,512.10 is: 331,520,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,276,435.40 : 372,414,653.10 = 221,013,512.10 : x
  2. Step 2: Convert to fraction form
    248,276,435.40/372,414,653.10 = 221,013,512.10/x
  3. Step 3: Cross multiply
    248,276,435.40x = 372,414,653.10 × 221,013,512.10
  4. Step 4: Simplify right side
    248,276,435.40x = 82,308,670,439,134,160
  5. Step 5: Solve for x
    x = 82,308,670,439,134,160/248,276,435.40
  6. Step 6: Final answer
    x = 331,520,268.15

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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.