Home / 87,537,262.58-120,857,135.76-54,545,979.38

Finding the Fourth Proportional to 87,537,262.58, 120,857,135.76 and 54,545,979.38

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Solution

The fourth proportional to 87,537,262.58, 120,857,135.76 and 54,545,979.38 is: 75,308,167.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,537,262.58 : 120,857,135.76 = 54,545,979.38 : x
  2. Step 2: Convert to fraction form
    87,537,262.58/120,857,135.76 = 54,545,979.38/x
  3. Step 3: Cross multiply
    87,537,262.58x = 120,857,135.76 × 54,545,979.38
  4. Step 4: Simplify right side
    87,537,262.58x = 6,592,270,835,090,821
  5. Step 5: Solve for x
    x = 6,592,270,835,090,821/87,537,262.58
  6. Step 6: Final answer
    x = 75,308,167.53

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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.