Home / 90,761,708.94-125,251,957.71-49,508,784.78

Finding the Fourth Proportional to 90,761,708.94, 125,251,957.71 and 49,508,784.78

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Solution

The fourth proportional to 90,761,708.94, 125,251,957.71 and 49,508,784.78 is: 68,322,559.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,761,708.94 : 125,251,957.71 = 49,508,784.78 : x
  2. Step 2: Convert to fraction form
    90,761,708.94/125,251,957.71 = 49,508,784.78/x
  3. Step 3: Cross multiply
    90,761,708.94x = 125,251,957.71 × 49,508,784.78
  4. Step 4: Simplify right side
    90,761,708.94x = 6,201,072,217,538,051
  5. Step 5: Solve for x
    x = 6,201,072,217,538,051/90,761,708.94
  6. Step 6: Final answer
    x = 68,322,559.04

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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.