Home / 163,577,963.57-225,733,956.77-90,239,086.13

Finding the Fourth Proportional to 163,577,963.57, 225,733,956.77 and 90,239,086.13

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Solution

The fourth proportional to 163,577,963.57, 225,733,956.77 and 90,239,086.13 is: 124,527,934.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,577,963.57 : 225,733,956.77 = 90,239,086.13 : x
  2. Step 2: Convert to fraction form
    163,577,963.57/225,733,956.77 = 90,239,086.13/x
  3. Step 3: Cross multiply
    163,577,963.57x = 225,733,956.77 × 90,239,086.13
  4. Step 4: Simplify right side
    163,577,963.57x = 20,370,025,966,530,656
  5. Step 5: Solve for x
    x = 20,370,025,966,530,656/163,577,963.57
  6. Step 6: Final answer
    x = 124,527,934.71

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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.