Home / 189,251,496.72-261,161,205.48-106,744,093.20

Finding the Fourth Proportional to 189,251,496.72, 261,161,205.48 and 106,744,093.20

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Solution

The fourth proportional to 189,251,496.72, 261,161,205.48 and 106,744,093.20 is: 147,303,543.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,251,496.72 : 261,161,205.48 = 106,744,093.20 : x
  2. Step 2: Convert to fraction form
    189,251,496.72/261,161,205.48 = 106,744,093.20/x
  3. Step 3: Cross multiply
    189,251,496.72x = 261,161,205.48 × 106,744,093.20
  4. Step 4: Simplify right side
    189,251,496.72x = 27,877,416,057,981,472
  5. Step 5: Solve for x
    x = 27,877,416,057,981,472/189,251,496.72
  6. Step 6: Final answer
    x = 147,303,543.39

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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.