Home / 165,149,412.55-227,912,756.07-90,816,067.33

Finding the Fourth Proportional to 165,149,412.55, 227,912,756.07 and 90,816,067.33

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Solution

The fourth proportional to 165,149,412.55, 227,912,756.07 and 90,816,067.33 is: 125,329,783.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,149,412.55 : 227,912,756.07 = 90,816,067.33 : x
  2. Step 2: Convert to fraction form
    165,149,412.55/227,912,756.07 = 90,816,067.33/x
  3. Step 3: Cross multiply
    165,149,412.55x = 227,912,756.07 × 90,816,067.33
  4. Step 4: Simplify right side
    165,149,412.55x = 20,698,140,200,618,984
  5. Step 5: Solve for x
    x = 20,698,140,200,618,984/165,149,412.55
  6. Step 6: Final answer
    x = 125,329,783.99

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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.