Home / 133,485,280.40-200,227,920.60-47,320,979.60

Finding the Fourth Proportional to 133,485,280.40, 200,227,920.60 and 47,320,979.60

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Solution

The fourth proportional to 133,485,280.40, 200,227,920.60 and 47,320,979.60 is: 70,981,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,485,280.40 : 200,227,920.60 = 47,320,979.60 : x
  2. Step 2: Convert to fraction form
    133,485,280.40/200,227,920.60 = 47,320,979.60/x
  3. Step 3: Cross multiply
    133,485,280.40x = 200,227,920.60 × 47,320,979.60
  4. Step 4: Simplify right side
    133,485,280.40x = 9,474,981,346,063,020
  5. Step 5: Solve for x
    x = 9,474,981,346,063,020/133,485,280.40
  6. Step 6: Final answer
    x = 70,981,469.40

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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.