Home / 65,548,408.14-90,443,299.01-37,665,731.43

Finding the Fourth Proportional to 65,548,408.14, 90,443,299.01 and 37,665,731.43

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Solution

The fourth proportional to 65,548,408.14, 90,443,299.01 and 37,665,731.43 is: 51,970,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,548,408.14 : 90,443,299.01 = 37,665,731.43 : x
  2. Step 2: Convert to fraction form
    65,548,408.14/90,443,299.01 = 37,665,731.43/x
  3. Step 3: Cross multiply
    65,548,408.14x = 90,443,299.01 × 37,665,731.43
  4. Step 4: Simplify right side
    65,548,408.14x = 3,406,613,009,965,516
  5. Step 5: Solve for x
    x = 3,406,613,009,965,516/65,548,408.14
  6. Step 6: Final answer
    x = 51,970,949.51

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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.