Home / 321,609,614.84-482,420,720.82-91,584,609.56

Finding the Fourth Proportional to 321,609,614.84, 482,420,720.82 and 91,584,609.56

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Solution

The fourth proportional to 321,609,614.84, 482,420,720.82 and 91,584,609.56 is: 137,378,707.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,609,614.84 : 482,420,720.82 = 91,584,609.56 : x
  2. Step 2: Convert to fraction form
    321,609,614.84/482,420,720.82 = 91,584,609.56/x
  3. Step 3: Cross multiply
    321,609,614.84x = 482,420,720.82 × 91,584,609.56
  4. Step 4: Simplify right side
    321,609,614.84x = 44,182,313,359,953,464
  5. Step 5: Solve for x
    x = 44,182,313,359,953,464/321,609,614.84
  6. Step 6: Final answer
    x = 137,378,707.98

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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.