Home / 217,289,179,565.68-299,859,082,217.94-120,943,198,395.22

Finding the Fourth Proportional to 217,289,179,565.68, 299,859,082,217.94 and 120,943,198,395.22

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Solution

The fourth proportional to 217,289,179,565.68, 299,859,082,217.94 and 120,943,198,395.22 is: 166,901,621,810.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,289,179,565.68 : 299,859,082,217.94 = 120,943,198,395.22 : x
  2. Step 2: Convert to fraction form
    217,289,179,565.68/299,859,082,217.94 = 120,943,198,395.22/x
  3. Step 3: Cross multiply
    217,289,179,565.68x = 299,859,082,217.94 × 120,943,198,395.22
  4. Step 4: Simplify right side
    217,289,179,565.68x = 36,265,916,471,292,905,652,224
  5. Step 5: Solve for x
    x = 36,265,916,471,292,905,652,224/217,289,179,565.68
  6. Step 6: Final answer
    x = 166,901,621,810.08

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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.