Home / 220,807,445.04-304,716,356.73-121,691,766.69

Finding the Fourth Proportional to 220,807,445.04, 304,716,356.73 and 121,691,766.69

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Solution

The fourth proportional to 220,807,445.04, 304,716,356.73 and 121,691,766.69 is: 167,935,785.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,807,445.04 : 304,716,356.73 = 121,691,766.69 : x
  2. Step 2: Convert to fraction form
    220,807,445.04/304,716,356.73 = 121,691,766.69/x
  3. Step 3: Cross multiply
    220,807,445.04x = 304,716,356.73 × 121,691,766.69
  4. Step 4: Simplify right side
    220,807,445.04x = 37,081,471,789,813,976
  5. Step 5: Solve for x
    x = 37,081,471,789,813,976/220,807,445.04
  6. Step 6: Final answer
    x = 167,935,785.78

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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.