Home / 305,313,706.86-421,332,596.51-166,084,136.48

Finding the Fourth Proportional to 305,313,706.86, 421,332,596.51 and 166,084,136.48

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Solution

The fourth proportional to 305,313,706.86, 421,332,596.51 and 166,084,136.48 is: 229,195,934.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,313,706.86 : 421,332,596.51 = 166,084,136.48 : x
  2. Step 2: Convert to fraction form
    305,313,706.86/421,332,596.51 = 166,084,136.48/x
  3. Step 3: Cross multiply
    305,313,706.86x = 421,332,596.51 × 166,084,136.48
  4. Step 4: Simplify right side
    305,313,706.86x = 69,976,660,459,302,528
  5. Step 5: Solve for x
    x = 69,976,660,459,302,528/305,313,706.86
  6. Step 6: Final answer
    x = 229,195,934.83

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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.