Home / 83,941,169.40-115,839,273.28-48,679,880.97

Finding the Fourth Proportional to 83,941,169.40, 115,839,273.28 and 48,679,880.97

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Solution

The fourth proportional to 83,941,169.40, 115,839,273.28 and 48,679,880.97 is: 67,178,502.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,941,169.40 : 115,839,273.28 = 48,679,880.97 : x
  2. Step 2: Convert to fraction form
    83,941,169.40/115,839,273.28 = 48,679,880.97/x
  3. Step 3: Cross multiply
    83,941,169.40x = 115,839,273.28 × 48,679,880.97
  4. Step 4: Simplify right side
    83,941,169.40x = 5,639,042,034,921,701
  5. Step 5: Solve for x
    x = 5,639,042,034,921,701/83,941,169.40
  6. Step 6: Final answer
    x = 67,178,502.22

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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.