Home / 131,457,105.72-197,203,601.70-54,762,194.16

Finding the Fourth Proportional to 131,457,105.72, 197,203,601.70 and 54,762,194.16

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Solution

The fourth proportional to 131,457,105.72, 197,203,601.70 and 54,762,194.16 is: 82,150,765.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,457,105.72 : 197,203,601.70 = 54,762,194.16 : x
  2. Step 2: Convert to fraction form
    131,457,105.72/197,203,601.70 = 54,762,194.16/x
  3. Step 3: Cross multiply
    131,457,105.72x = 197,203,601.70 × 54,762,194.16
  4. Step 4: Simplify right side
    131,457,105.72x = 10,799,301,925,346,704
  5. Step 5: Solve for x
    x = 10,799,301,925,346,704/131,457,105.72
  6. Step 6: Final answer
    x = 82,150,765.96

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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.