Home / 118,983,892.68-164,198,989.62-66,061,467

Finding the Fourth Proportional to 118,983,892.68, 164,198,989.62 and 66,061,467

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Solution

The fourth proportional to 118,983,892.68, 164,198,989.62 and 66,061,467 is: 91,165,500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,983,892.68 : 164,198,989.62 = 66,061,467 : x
  2. Step 2: Convert to fraction form
    118,983,892.68/164,198,989.62 = 66,061,467/x
  3. Step 3: Cross multiply
    118,983,892.68x = 164,198,989.62 × 66,061,467
  4. Step 4: Simplify right side
    118,983,892.68x = 10,847,226,134,214,972
  5. Step 5: Solve for x
    x = 10,847,226,134,214,972/118,983,892.68
  6. Step 6: Final answer
    x = 91,165,500.56

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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.