Home / 321,566,049.11-482,372,128.40-134,631,879.65

Finding the Fourth Proportional to 321,566,049.11, 482,372,128.40 and 134,631,879.65

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Solution

The fourth proportional to 321,566,049.11, 482,372,128.40 and 134,631,879.65 is: 201,957,471.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,566,049.11 : 482,372,128.40 = 134,631,879.65 : x
  2. Step 2: Convert to fraction form
    321,566,049.11/482,372,128.40 = 134,631,879.65/x
  3. Step 3: Cross multiply
    321,566,049.11x = 482,372,128.40 × 134,631,879.65
  4. Step 4: Simplify right side
    321,566,049.11x = 64,942,666,337,795,920
  5. Step 5: Solve for x
    x = 64,942,666,337,795,920/321,566,049.11
  6. Step 6: Final answer
    x = 201,957,471.94

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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.