Home / 305,313,684.51-421,332,565.76-166,084,114.13

Finding the Fourth Proportional to 305,313,684.51, 421,332,565.76 and 166,084,114.13

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Solution

The fourth proportional to 305,313,684.51, 421,332,565.76 and 166,084,114.13 is: 229,195,904.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,313,684.51 : 421,332,565.76 = 166,084,114.13 : x
  2. Step 2: Convert to fraction form
    305,313,684.51/421,332,565.76 = 166,084,114.13/x
  3. Step 3: Cross multiply
    305,313,684.51x = 421,332,565.76 × 166,084,114.13
  4. Step 4: Simplify right side
    305,313,684.51x = 69,976,645,938,568,696
  5. Step 5: Solve for x
    x = 69,976,645,938,568,696/305,313,684.51
  6. Step 6: Final answer
    x = 229,195,904.04

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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.