Home / 170,091,960.31-255,236,962.88-71,717,498.07

Finding the Fourth Proportional to 170,091,960.31, 255,236,962.88 and 71,717,498.07

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Solution

The fourth proportional to 170,091,960.31, 255,236,962.88 and 71,717,498.07 is: 107,617,998.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,091,960.31 : 255,236,962.88 = 71,717,498.07 : x
  2. Step 2: Convert to fraction form
    170,091,960.31/255,236,962.88 = 71,717,498.07/x
  3. Step 3: Cross multiply
    170,091,960.31x = 255,236,962.88 × 71,717,498.07
  4. Step 4: Simplify right side
    170,091,960.31x = 18,304,956,391,462,876
  5. Step 5: Solve for x
    x = 18,304,956,391,462,876/170,091,960.31
  6. Step 6: Final answer
    x = 107,617,998.86

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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.