Home / 276,547,663.80-414,768,351.60-82,465,410.60

Finding the Fourth Proportional to 276,547,663.80, 414,768,351.60 and 82,465,410.60

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Solution

The fourth proportional to 276,547,663.80, 414,768,351.60 and 82,465,410.60 is: 123,682,268.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,547,663.80 : 414,768,351.60 = 82,465,410.60 : x
  2. Step 2: Convert to fraction form
    276,547,663.80/414,768,351.60 = 82,465,410.60/x
  3. Step 3: Cross multiply
    276,547,663.80x = 414,768,351.60 × 82,465,410.60
  4. Step 4: Simplify right side
    276,547,663.80x = 34,204,042,418,579,168
  5. Step 5: Solve for x
    x = 34,204,042,418,579,168/276,547,663.80
  6. Step 6: Final answer
    x = 123,682,268.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.