Home / 144,412,920.77-199,289,626.38-78,333,339.24

Finding the Fourth Proportional to 144,412,920.77, 199,289,626.38 and 78,333,339.24

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Solution

The fourth proportional to 144,412,920.77, 199,289,626.38 and 78,333,339.24 is: 108,099,897.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,412,920.77 : 199,289,626.38 = 78,333,339.24 : x
  2. Step 2: Convert to fraction form
    144,412,920.77/199,289,626.38 = 78,333,339.24/x
  3. Step 3: Cross multiply
    144,412,920.77x = 199,289,626.38 × 78,333,339.24
  4. Step 4: Simplify right side
    144,412,920.77x = 15,611,021,910,237,392
  5. Step 5: Solve for x
    x = 15,611,021,910,237,392/144,412,920.77
  6. Step 6: Final answer
    x = 108,099,897.34

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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.