Home / 67,989,983.94-102,004,835.07-21,930,833.25

Finding the Fourth Proportional to 67,989,983.94, 102,004,835.07 and 21,930,833.25

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Solution

The fourth proportional to 67,989,983.94, 102,004,835.07 and 21,930,833.25 is: 32,902,655.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,989,983.94 : 102,004,835.07 = 21,930,833.25 : x
  2. Step 2: Convert to fraction form
    67,989,983.94/102,004,835.07 = 21,930,833.25/x
  3. Step 3: Cross multiply
    67,989,983.94x = 102,004,835.07 × 21,930,833.25
  4. Step 4: Simplify right side
    67,989,983.94x = 2,237,051,028,613,922
  5. Step 5: Solve for x
    x = 2,237,051,028,613,922/67,989,983.94
  6. Step 6: Final answer
    x = 32,902,655.64

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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.