Home / 204,146,960,731.79-281,721,372,653.17-111,447,815,215.34

Finding the Fourth Proportional to 204,146,960,731.79, 281,721,372,653.17 and 111,447,815,215.34

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Solution

The fourth proportional to 204,146,960,731.79, 281,721,372,653.17 and 111,447,815,215.34 is: 153,797,202,608.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,146,960,731.79 : 281,721,372,653.17 = 111,447,815,215.34 : x
  2. Step 2: Convert to fraction form
    204,146,960,731.79/281,721,372,653.17 = 111,447,815,215.34/x
  3. Step 3: Cross multiply
    204,146,960,731.79x = 281,721,372,653.17 × 111,447,815,215.34
  4. Step 4: Simplify right side
    204,146,960,731.79x = 31,397,231,481,662,428,151,808
  5. Step 5: Solve for x
    x = 31,397,231,481,662,428,151,808/204,146,960,731.79
  6. Step 6: Final answer
    x = 153,797,202,608.92

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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.