Home / 79,857,282.71-110,204,120.89-45,049,865.51

Finding the Fourth Proportional to 79,857,282.71, 110,204,120.89 and 45,049,865.51

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Solution

The fourth proportional to 79,857,282.71, 110,204,120.89 and 45,049,865.51 is: 62,169,418.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,857,282.71 : 110,204,120.89 = 45,049,865.51 : x
  2. Step 2: Convert to fraction form
    79,857,282.71/110,204,120.89 = 45,049,865.51/x
  3. Step 3: Cross multiply
    79,857,282.71x = 110,204,120.89 × 45,049,865.51
  4. Step 4: Simplify right side
    79,857,282.71x = 4,964,680,824,078,637
  5. Step 5: Solve for x
    x = 4,964,680,824,078,637/79,857,282.71
  6. Step 6: Final answer
    x = 62,169,418.44

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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.