Home / 91,777,165.40-137,665,748.10-31,192,891.40

Finding the Fourth Proportional to 91,777,165.40, 137,665,748.10 and 31,192,891.40

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Solution

The fourth proportional to 91,777,165.40, 137,665,748.10 and 31,192,891.40 is: 46,789,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,777,165.40 : 137,665,748.10 = 31,192,891.40 : x
  2. Step 2: Convert to fraction form
    91,777,165.40/137,665,748.10 = 31,192,891.40/x
  3. Step 3: Cross multiply
    91,777,165.40x = 137,665,748.10 × 31,192,891.40
  4. Step 4: Simplify right side
    91,777,165.40x = 4,294,192,729,983,056
  5. Step 5: Solve for x
    x = 4,294,192,729,983,056/91,777,165.40
  6. Step 6: Final answer
    x = 46,789,337.10

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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.