Home / 258,112,404.80-387,283,033.01-135,261,513.73

Finding the Fourth Proportional to 258,112,404.80, 387,283,033.01 and 135,261,513.73

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Solution

The fourth proportional to 258,112,404.80, 387,283,033.01 and 135,261,513.73 is: 202,952,234.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,112,404.80 : 387,283,033.01 = 135,261,513.73 : x
  2. Step 2: Convert to fraction form
    258,112,404.80/387,283,033.01 = 135,261,513.73/x
  3. Step 3: Cross multiply
    258,112,404.80x = 387,283,033.01 × 135,261,513.73
  4. Step 4: Simplify right side
    258,112,404.80x = 52,384,489,287,700,408
  5. Step 5: Solve for x
    x = 52,384,489,287,700,408/258,112,404.80
  6. Step 6: Final answer
    x = 202,952,234.43

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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.