Home / 165,149,427.30-227,912,776.43-90,816,082.08

Finding the Fourth Proportional to 165,149,427.30, 227,912,776.43 and 90,816,082.08

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Solution

The fourth proportional to 165,149,427.30, 227,912,776.43 and 90,816,082.08 is: 125,329,804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,149,427.30 : 227,912,776.43 = 90,816,082.08 : x
  2. Step 2: Convert to fraction form
    165,149,427.30/227,912,776.43 = 90,816,082.08/x
  3. Step 3: Cross multiply
    165,149,427.30x = 227,912,776.43 × 90,816,082.08
  4. Step 4: Simplify right side
    165,149,427.30x = 20,698,145,410,893,488
  5. Step 5: Solve for x
    x = 20,698,145,410,893,488/165,149,427.30
  6. Step 6: Final answer
    x = 125,329,804.34

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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.