Home / 231,138,896.80-346,722,468.72-77,772,076.96

Finding the Fourth Proportional to 231,138,896.80, 346,722,468.72 and 77,772,076.96

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Solution

The fourth proportional to 231,138,896.80, 346,722,468.72 and 77,772,076.96 is: 116,662,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,138,896.80 : 346,722,468.72 = 77,772,076.96 : x
  2. Step 2: Convert to fraction form
    231,138,896.80/346,722,468.72 = 77,772,076.96/x
  3. Step 3: Cross multiply
    231,138,896.80x = 346,722,468.72 × 77,772,076.96
  4. Step 4: Simplify right side
    231,138,896.80x = 26,965,326,521,053,032
  5. Step 5: Solve for x
    x = 26,965,326,521,053,032/231,138,896.80
  6. Step 6: Final answer
    x = 116,662,867.63

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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.