Home / 321,571,269.72-482,359,889.94-91,540,346.04

Finding the Fourth Proportional to 321,571,269.72, 482,359,889.94 and 91,540,346.04

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Solution

The fourth proportional to 321,571,269.72, 482,359,889.94 and 91,540,346.04 is: 137,311,368.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,571,269.72 : 482,359,889.94 = 91,540,346.04 : x
  2. Step 2: Convert to fraction form
    321,571,269.72/482,359,889.94 = 91,540,346.04/x
  3. Step 3: Cross multiply
    321,571,269.72x = 482,359,889.94 × 91,540,346.04
  4. Step 4: Simplify right side
    321,571,269.72x = 44,155,391,240,923,920
  5. Step 5: Solve for x
    x = 44,155,391,240,923,920/321,571,269.72
  6. Step 6: Final answer
    x = 137,311,368.89

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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.