Home / 166,400,251.62-229,637,212.86-91,051,103.22

Finding the Fourth Proportional to 166,400,251.62, 229,637,212.86 and 91,051,103.22

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Solution

The fourth proportional to 166,400,251.62, 229,637,212.86 and 91,051,103.22 is: 125,653,184.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,400,251.62 : 229,637,212.86 = 91,051,103.22 : x
  2. Step 2: Convert to fraction form
    166,400,251.62/229,637,212.86 = 91,051,103.22/x
  3. Step 3: Cross multiply
    166,400,251.62x = 229,637,212.86 × 91,051,103.22
  4. Step 4: Simplify right side
    166,400,251.62x = 20,908,721,571,268,972
  5. Step 5: Solve for x
    x = 20,908,721,571,268,972/166,400,251.62
  6. Step 6: Final answer
    x = 125,653,184.82

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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.