Home / 75,620,421.44-104,356,606.72-43,025,373.44

Finding the Fourth Proportional to 75,620,421.44, 104,356,606.72 and 43,025,373.44

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Solution

The fourth proportional to 75,620,421.44, 104,356,606.72 and 43,025,373.44 is: 59,375,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,620,421.44 : 104,356,606.72 = 43,025,373.44 : x
  2. Step 2: Convert to fraction form
    75,620,421.44/104,356,606.72 = 43,025,373.44/x
  3. Step 3: Cross multiply
    75,620,421.44x = 104,356,606.72 × 43,025,373.44
  4. Step 4: Simplify right side
    75,620,421.44x = 4,489,981,975,059,213
  5. Step 5: Solve for x
    x = 4,489,981,975,059,213/75,620,421.44
  6. Step 6: Final answer
    x = 59,375,257.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.