Home / 231,276,960-319,233,661.92-148,770,752.04

Finding the Fourth Proportional to 231,276,960, 319,233,661.92 and 148,770,752.04

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Solution

The fourth proportional to 231,276,960, 319,233,661.92 and 148,770,752.04 is: 205,349,603.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,276,960 : 319,233,661.92 = 148,770,752.04 : x
  2. Step 2: Convert to fraction form
    231,276,960/319,233,661.92 = 148,770,752.04/x
  3. Step 3: Cross multiply
    231,276,960x = 319,233,661.92 × 148,770,752.04
  4. Step 4: Simplify right side
    231,276,960x = 47,492,631,960,321,512
  5. Step 5: Solve for x
    x = 47,492,631,960,321,512/231,276,960
  6. Step 6: Final answer
    x = 205,349,603.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.