Home / 144,048,264.35-198,786,614.50-78,858,168.35

Finding the Fourth Proportional to 144,048,264.35, 198,786,614.50 and 78,858,168.35

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Solution

The fourth proportional to 144,048,264.35, 198,786,614.50 and 78,858,168.35 is: 108,824,277.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,048,264.35 : 198,786,614.50 = 78,858,168.35 : x
  2. Step 2: Convert to fraction form
    144,048,264.35/198,786,614.50 = 78,858,168.35/x
  3. Step 3: Cross multiply
    144,048,264.35x = 198,786,614.50 × 78,858,168.35
  4. Step 4: Simplify right side
    144,048,264.35x = 15,675,948,311,072,190
  5. Step 5: Solve for x
    x = 15,675,948,311,072,190/144,048,264.35
  6. Step 6: Final answer
    x = 108,824,277.63

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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.