Home / 57,091,151.01-78,785,866.16-30,985,669.18

Finding the Fourth Proportional to 57,091,151.01, 78,785,866.16 and 30,985,669.18

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Solution

The fourth proportional to 57,091,151.01, 78,785,866.16 and 30,985,669.18 is: 42,760,265.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,091,151.01 : 78,785,866.16 = 30,985,669.18 : x
  2. Step 2: Convert to fraction form
    57,091,151.01/78,785,866.16 = 30,985,669.18/x
  3. Step 3: Cross multiply
    57,091,151.01x = 78,785,866.16 × 30,985,669.18
  4. Step 4: Simplify right side
    57,091,151.01x = 2,441,232,784,893,517
  5. Step 5: Solve for x
    x = 2,441,232,784,893,517/57,091,151.01
  6. Step 6: Final answer
    x = 42,760,265.68

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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.