Home / 166,543,136.48-229,828,685.27-91,188,095.18

Finding the Fourth Proportional to 166,543,136.48, 229,828,685.27 and 91,188,095.18

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Solution

The fourth proportional to 166,543,136.48, 229,828,685.27 and 91,188,095.18 is: 125,839,109.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,543,136.48 : 229,828,685.27 = 91,188,095.18 : x
  2. Step 2: Convert to fraction form
    166,543,136.48/229,828,685.27 = 91,188,095.18/x
  3. Step 3: Cross multiply
    166,543,136.48x = 229,828,685.27 × 91,188,095.18
  4. Step 4: Simplify right side
    166,543,136.48x = 20,957,640,027,524,684
  5. Step 5: Solve for x
    x = 20,957,640,027,524,684/166,543,136.48
  6. Step 6: Final answer
    x = 125,839,109.74

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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.