Home / 165,149,426.80-227,912,775.74-90,816,081.58

Finding the Fourth Proportional to 165,149,426.80, 227,912,775.74 and 90,816,081.58

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Solution

The fourth proportional to 165,149,426.80, 227,912,775.74 and 90,816,081.58 is: 125,329,803.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,149,426.80 : 227,912,775.74 = 90,816,081.58 : x
  2. Step 2: Convert to fraction form
    165,149,426.80/227,912,775.74 = 90,816,081.58/x
  3. Step 3: Cross multiply
    165,149,426.80x = 227,912,775.74 × 90,816,081.58
  4. Step 4: Simplify right side
    165,149,426.80x = 20,698,145,234,728,084
  5. Step 5: Solve for x
    x = 20,698,145,234,728,084/165,149,426.80
  6. Step 6: Final answer
    x = 125,329,803.66

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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.