Home / 211,010,338.72-290,517,494.16-164,540,962.72

Finding the Fourth Proportional to 211,010,338.72, 290,517,494.16 and 164,540,962.72

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Solution

The fourth proportional to 211,010,338.72, 290,517,494.16 and 164,540,962.72 is: 226,538,796.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,010,338.72 : 290,517,494.16 = 164,540,962.72 : x
  2. Step 2: Convert to fraction form
    211,010,338.72/290,517,494.16 = 164,540,962.72/x
  3. Step 3: Cross multiply
    211,010,338.72x = 290,517,494.16 × 164,540,962.72
  4. Step 4: Simplify right side
    211,010,338.72x = 47,802,028,176,088,384
  5. Step 5: Solve for x
    x = 47,802,028,176,088,384/211,010,338.72
  6. Step 6: Final answer
    x = 226,538,796.47

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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.