Home / 189,794,803.73-284,636,404.28-80,619,107.63

Finding the Fourth Proportional to 189,794,803.73, 284,636,404.28 and 80,619,107.63

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Solution

The fourth proportional to 189,794,803.73, 284,636,404.28 and 80,619,107.63 is: 120,904,958.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,794,803.73 : 284,636,404.28 = 80,619,107.63 : x
  2. Step 2: Convert to fraction form
    189,794,803.73/284,636,404.28 = 80,619,107.63/x
  3. Step 3: Cross multiply
    189,794,803.73x = 284,636,404.28 × 80,619,107.63
  4. Step 4: Simplify right side
    189,794,803.73x = 22,947,132,910,843,880
  5. Step 5: Solve for x
    x = 22,947,132,910,843,880/189,794,803.73
  6. Step 6: Final answer
    x = 120,904,958.73

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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.