Home / 291,469,828.20-402,227,385.96-159,310,748.22

Finding the Fourth Proportional to 291,469,828.20, 402,227,385.96 and 159,310,748.22

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Solution

The fourth proportional to 291,469,828.20, 402,227,385.96 and 159,310,748.22 is: 219,848,298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,469,828.20 : 402,227,385.96 = 159,310,748.22 : x
  2. Step 2: Convert to fraction form
    291,469,828.20/402,227,385.96 = 159,310,748.22/x
  3. Step 3: Cross multiply
    291,469,828.20x = 402,227,385.96 × 159,310,748.22
  4. Step 4: Simplify right side
    291,469,828.20x = 64,079,145,811,862,320
  5. Step 5: Solve for x
    x = 64,079,145,811,862,320/291,469,828.20
  6. Step 6: Final answer
    x = 219,848,298.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.