Home / 43,040,414.88-64,286,317.08-38,935,420.56

Finding the Fourth Proportional to 43,040,414.88, 64,286,317.08 and 38,935,420.56

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Solution

The fourth proportional to 43,040,414.88, 64,286,317.08 and 38,935,420.56 is: 58,154,987.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,040,414.88 : 64,286,317.08 = 38,935,420.56 : x
  2. Step 2: Convert to fraction form
    43,040,414.88/64,286,317.08 = 38,935,420.56/x
  3. Step 3: Cross multiply
    43,040,414.88x = 64,286,317.08 × 38,935,420.56
  4. Step 4: Simplify right side
    43,040,414.88x = 2,503,014,791,763,311
  5. Step 5: Solve for x
    x = 2,503,014,791,763,311/43,040,414.88
  6. Step 6: Final answer
    x = 58,154,987.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.