Home / 57,091,176.56-78,785,901.60-30,985,694.84

Finding the Fourth Proportional to 57,091,176.56, 78,785,901.60 and 30,985,694.84

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Solution

The fourth proportional to 57,091,176.56, 78,785,901.60 and 30,985,694.84 is: 42,760,301.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,091,176.56 : 78,785,901.60 = 30,985,694.84 : x
  2. Step 2: Convert to fraction form
    57,091,176.56/78,785,901.60 = 30,985,694.84/x
  3. Step 3: Cross multiply
    57,091,176.56x = 78,785,901.60 × 30,985,694.84
  4. Step 4: Simplify right side
    57,091,176.56x = 2,441,235,904,671,867.50
  5. Step 5: Solve for x
    x = 2,441,235,904,671,867.50/57,091,176.56
  6. Step 6: Final answer
    x = 42,760,301.18

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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.