Home / 149,413,873.46-206,192,259.87-83,338,654.82

Finding the Fourth Proportional to 149,413,873.46, 206,192,259.87 and 83,338,654.82

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Solution

The fourth proportional to 149,413,873.46, 206,192,259.87 and 83,338,654.82 is: 115,007,965.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,413,873.46 : 206,192,259.87 = 83,338,654.82 : x
  2. Step 2: Convert to fraction form
    149,413,873.46/206,192,259.87 = 83,338,654.82/x
  3. Step 3: Cross multiply
    149,413,873.46x = 206,192,259.87 × 83,338,654.82
  4. Step 4: Simplify right side
    149,413,873.46x = 17,183,785,571,861,666
  5. Step 5: Solve for x
    x = 17,183,785,571,861,666/149,413,873.46
  6. Step 6: Final answer
    x = 115,007,965.28

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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.