Home / 308,791,744.97-426,140,011.65-167,668,913.43

Finding the Fourth Proportional to 308,791,744.97, 426,140,011.65 and 167,668,913.43

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Solution

The fourth proportional to 308,791,744.97, 426,140,011.65 and 167,668,913.43 is: 231,387,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,791,744.97 : 426,140,011.65 = 167,668,913.43 : x
  2. Step 2: Convert to fraction form
    308,791,744.97/426,140,011.65 = 167,668,913.43/x
  3. Step 3: Cross multiply
    308,791,744.97x = 426,140,011.65 × 167,668,913.43
  4. Step 4: Simplify right side
    308,791,744.97x = 71,450,432,722,403,040
  5. Step 5: Solve for x
    x = 71,450,432,722,403,040/308,791,744.97
  6. Step 6: Final answer
    x = 231,387,120.57

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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.