Home / 71,505,990.78-107,258,469.39-47,353,030.92

Finding the Fourth Proportional to 71,505,990.78, 107,258,469.39 and 47,353,030.92

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Solution

The fourth proportional to 71,505,990.78, 107,258,469.39 and 47,353,030.92 is: 71,029,204.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,505,990.78 : 107,258,469.39 = 47,353,030.92 : x
  2. Step 2: Convert to fraction form
    71,505,990.78/107,258,469.39 = 47,353,030.92/x
  3. Step 3: Cross multiply
    71,505,990.78x = 107,258,469.39 × 47,353,030.92
  4. Step 4: Simplify right side
    71,505,990.78x = 5,079,013,617,456,544
  5. Step 5: Solve for x
    x = 5,079,013,617,456,544/71,505,990.78
  6. Step 6: Final answer
    x = 71,029,204.16

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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.