Home / 248,071,304.16-372,078,563.20-66,332,653.92

Finding the Fourth Proportional to 248,071,304.16, 372,078,563.20 and 66,332,653.92

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Solution

The fourth proportional to 248,071,304.16, 372,078,563.20 and 66,332,653.92 is: 99,491,388.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,071,304.16 : 372,078,563.20 = 66,332,653.92 : x
  2. Step 2: Convert to fraction form
    248,071,304.16/372,078,563.20 = 66,332,653.92/x
  3. Step 3: Cross multiply
    248,071,304.16x = 372,078,563.20 × 66,332,653.92
  4. Step 4: Simplify right side
    248,071,304.16x = 24,680,958,563,796,448
  5. Step 5: Solve for x
    x = 24,680,958,563,796,448/248,071,304.16
  6. Step 6: Final answer
    x = 99,491,388.77

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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.