Home / 131,472,022.60-197,208,033.90-71,005,846.60

Finding the Fourth Proportional to 131,472,022.60, 197,208,033.90 and 71,005,846.60

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Solution

The fourth proportional to 131,472,022.60, 197,208,033.90 and 71,005,846.60 is: 106,508,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,472,022.60 : 197,208,033.90 = 71,005,846.60 : x
  2. Step 2: Convert to fraction form
    131,472,022.60/197,208,033.90 = 71,005,846.60/x
  3. Step 3: Cross multiply
    131,472,022.60x = 197,208,033.90 × 71,005,846.60
  4. Step 4: Simplify right side
    131,472,022.60x = 14,002,923,403,390,998
  5. Step 5: Solve for x
    x = 14,002,923,403,390,998/131,472,022.60
  6. Step 6: Final answer
    x = 106,508,769.90

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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.