Home / 91,836,743.79-137,431,567.26-57,309,391.38

Finding the Fourth Proportional to 91,836,743.79, 137,431,567.26 and 57,309,391.38

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Solution

The fourth proportional to 91,836,743.79, 137,431,567.26 and 57,309,391.38 is: 85,762,181.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,836,743.79 : 137,431,567.26 = 57,309,391.38 : x
  2. Step 2: Convert to fraction form
    91,836,743.79/137,431,567.26 = 57,309,391.38/x
  3. Step 3: Cross multiply
    91,836,743.79x = 137,431,567.26 × 57,309,391.38
  4. Step 4: Simplify right side
    91,836,743.79x = 7,876,119,476,070,134
  5. Step 5: Solve for x
    x = 7,876,119,476,070,134/91,836,743.79
  6. Step 6: Final answer
    x = 85,762,181.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.