Home / 43,040,415.88-64,286,318.57-38,935,421.56

Finding the Fourth Proportional to 43,040,415.88, 64,286,318.57 and 38,935,421.56

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Solution

The fourth proportional to 43,040,415.88, 64,286,318.57 and 38,935,421.56 is: 58,154,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,040,415.88 : 64,286,318.57 = 38,935,421.56 : x
  2. Step 2: Convert to fraction form
    43,040,415.88/64,286,318.57 = 38,935,421.56/x
  3. Step 3: Cross multiply
    43,040,415.88x = 64,286,318.57 × 38,935,421.56
  4. Step 4: Simplify right side
    43,040,415.88x = 2,503,014,914,063,406.50
  5. Step 5: Solve for x
    x = 2,503,014,914,063,406.50/43,040,415.88
  6. Step 6: Final answer
    x = 58,154,989.05

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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.