Home / 214,716,189.86-322,065,288.62-69,146,529.14

Finding the Fourth Proportional to 214,716,189.86, 322,065,288.62 and 69,146,529.14

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Solution

The fourth proportional to 214,716,189.86, 322,065,288.62 and 69,146,529.14 is: 103,716,896.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,716,189.86 : 322,065,288.62 = 69,146,529.14 : x
  2. Step 2: Convert to fraction form
    214,716,189.86/322,065,288.62 = 69,146,529.14/x
  3. Step 3: Cross multiply
    214,716,189.86x = 322,065,288.62 × 69,146,529.14
  4. Step 4: Simplify right side
    214,716,189.86x = 22,269,696,864,545,340
  5. Step 5: Solve for x
    x = 22,269,696,864,545,340/214,716,189.86
  6. Step 6: Final answer
    x = 103,716,896.61

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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.