Home / 141,617,013.28-212,463,321.60-50,749,787.68

Finding the Fourth Proportional to 141,617,013.28, 212,463,321.60 and 50,749,787.68

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Solution

The fourth proportional to 141,617,013.28, 212,463,321.60 and 50,749,787.68 is: 76,138,228.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,617,013.28 : 212,463,321.60 = 50,749,787.68 : x
  2. Step 2: Convert to fraction form
    141,617,013.28/212,463,321.60 = 50,749,787.68/x
  3. Step 3: Cross multiply
    141,617,013.28x = 212,463,321.60 × 50,749,787.68
  4. Step 4: Simplify right side
    141,617,013.28x = 10,782,468,460,987,558
  5. Step 5: Solve for x
    x = 10,782,468,460,987,558/141,617,013.28
  6. Step 6: Final answer
    x = 76,138,228.11

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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.