Home / 92,789,222.58-128,045,585.97-51,538,760.82

Finding the Fourth Proportional to 92,789,222.58, 128,045,585.97 and 51,538,760.82

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Solution

The fourth proportional to 92,789,222.58, 128,045,585.97 and 51,538,760.82 is: 71,121,523.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,789,222.58 : 128,045,585.97 = 51,538,760.82 : x
  2. Step 2: Convert to fraction form
    92,789,222.58/128,045,585.97 = 51,538,760.82/x
  3. Step 3: Cross multiply
    92,789,222.58x = 128,045,585.97 × 51,538,760.82
  4. Step 4: Simplify right side
    92,789,222.58x = 6,599,310,829,364,578
  5. Step 5: Solve for x
    x = 6,599,310,829,364,578/92,789,222.58
  6. Step 6: Final answer
    x = 71,121,523.02

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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.