Home / 144,412,919.77-199,289,625.00-78,333,338.24

Finding the Fourth Proportional to 144,412,919.77, 199,289,625.00 and 78,333,338.24

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Solution

The fourth proportional to 144,412,919.77, 199,289,625.00 and 78,333,338.24 is: 108,099,895.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,412,919.77 : 199,289,625.00 = 78,333,338.24 : x
  2. Step 2: Convert to fraction form
    144,412,919.77/199,289,625.00 = 78,333,338.24/x
  3. Step 3: Cross multiply
    144,412,919.77x = 199,289,625.00 × 78,333,338.24
  4. Step 4: Simplify right side
    144,412,919.77x = 15,611,021,603,425,904
  5. Step 5: Solve for x
    x = 15,611,021,603,425,904/144,412,919.77
  6. Step 6: Final answer
    x = 108,099,895.97

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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.