Home / 189,864,419.20-284,040,801.60-164,586,198.40

Finding the Fourth Proportional to 189,864,419.20, 284,040,801.60 and 164,586,198.40

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Solution

The fourth proportional to 189,864,419.20, 284,040,801.60 and 164,586,198.40 is: 246,224,099.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,864,419.20 : 284,040,801.60 = 164,586,198.40 : x
  2. Step 2: Convert to fraction form
    189,864,419.20/284,040,801.60 = 164,586,198.40/x
  3. Step 3: Cross multiply
    189,864,419.20x = 284,040,801.60 × 164,586,198.40
  4. Step 4: Simplify right side
    189,864,419.20x = 46,749,195,725,832,640
  5. Step 5: Solve for x
    x = 46,749,195,725,832,640/189,864,419.20
  6. Step 6: Final answer
    x = 246,224,099.93

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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.