Home / 231,712,176.48-319,763,013.12-127,297,011.84

Finding the Fourth Proportional to 231,712,176.48, 319,763,013.12 and 127,297,011.84

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Solution

The fourth proportional to 231,712,176.48, 319,763,013.12 and 127,297,011.84 is: 175,669,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,712,176.48 : 319,763,013.12 = 127,297,011.84 : x
  2. Step 2: Convert to fraction form
    231,712,176.48/319,763,013.12 = 127,297,011.84/x
  3. Step 3: Cross multiply
    231,712,176.48x = 319,763,013.12 × 127,297,011.84
  4. Step 4: Simplify right side
    231,712,176.48x = 40,704,876,067,130,720
  5. Step 5: Solve for x
    x = 40,704,876,067,130,720/231,712,176.48
  6. Step 6: Final answer
    x = 175,669,991.48

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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.