Home / 139,703,472.59-192,782,105.52-76,976,060.26

Finding the Fourth Proportional to 139,703,472.59, 192,782,105.52 and 76,976,060.26

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Solution

The fourth proportional to 139,703,472.59, 192,782,105.52 and 76,976,060.26 is: 106,222,176.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,703,472.59 : 192,782,105.52 = 76,976,060.26 : x
  2. Step 2: Convert to fraction form
    139,703,472.59/192,782,105.52 = 76,976,060.26/x
  3. Step 3: Cross multiply
    139,703,472.59x = 192,782,105.52 × 76,976,060.26
  4. Step 4: Simplify right side
    139,703,472.59x = 14,839,606,971,283,094
  5. Step 5: Solve for x
    x = 14,839,606,971,283,094/139,703,472.59
  6. Step 6: Final answer
    x = 106,222,176.84

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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.