Home / 109,595,147.58-151,171,631.24-71,920,755.63

Finding the Fourth Proportional to 109,595,147.58, 151,171,631.24 and 71,920,755.63

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Solution

The fourth proportional to 109,595,147.58, 151,171,631.24 and 71,920,755.63 is: 99,204,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,595,147.58 : 151,171,631.24 = 71,920,755.63 : x
  2. Step 2: Convert to fraction form
    109,595,147.58/151,171,631.24 = 71,920,755.63/x
  3. Step 3: Cross multiply
    109,595,147.58x = 151,171,631.24 × 71,920,755.63
  4. Step 4: Simplify right side
    109,595,147.58x = 10,872,377,948,240,910
  5. Step 5: Solve for x
    x = 10,872,377,948,240,910/109,595,147.58
  6. Step 6: Final answer
    x = 99,204,920.91

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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.