Home / 245,471,161.31-338,757,384.33-133,969,153.77

Finding the Fourth Proportional to 245,471,161.31, 338,757,384.33 and 133,969,153.77

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Solution

The fourth proportional to 245,471,161.31, 338,757,384.33 and 133,969,153.77 is: 184,881,351.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,471,161.31 : 338,757,384.33 = 133,969,153.77 : x
  2. Step 2: Convert to fraction form
    245,471,161.31/338,757,384.33 = 133,969,153.77/x
  3. Step 3: Cross multiply
    245,471,161.31x = 338,757,384.33 × 133,969,153.77
  4. Step 4: Simplify right side
    245,471,161.31x = 45,383,040,112,028,752
  5. Step 5: Solve for x
    x = 45,383,040,112,028,752/245,471,161.31
  6. Step 6: Final answer
    x = 184,881,351.72

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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.