Home / 83,941,169.89-115,839,273.97-48,679,881.47

Finding the Fourth Proportional to 83,941,169.89, 115,839,273.97 and 48,679,881.47

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Solution

The fourth proportional to 83,941,169.89, 115,839,273.97 and 48,679,881.47 is: 67,178,502.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,941,169.89 : 115,839,273.97 = 48,679,881.47 : x
  2. Step 2: Convert to fraction form
    83,941,169.89/115,839,273.97 = 48,679,881.47/x
  3. Step 3: Cross multiply
    83,941,169.89x = 115,839,273.97 × 48,679,881.47
  4. Step 4: Simplify right side
    83,941,169.89x = 5,639,042,126,430,456
  5. Step 5: Solve for x
    x = 5,639,042,126,430,456/83,941,169.89
  6. Step 6: Final answer
    x = 67,178,502.92

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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.