Home / 144,007,887.84-198,731,408.72-77,928,379.44

Finding the Fourth Proportional to 144,007,887.84, 198,731,408.72 and 77,928,379.44

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Solution

The fourth proportional to 144,007,887.84, 198,731,408.72 and 77,928,379.44 is: 107,541,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,007,887.84 : 198,731,408.72 = 77,928,379.44 : x
  2. Step 2: Convert to fraction form
    144,007,887.84/198,731,408.72 = 77,928,379.44/x
  3. Step 3: Cross multiply
    144,007,887.84x = 198,731,408.72 × 77,928,379.44
  4. Step 4: Simplify right side
    144,007,887.84x = 15,486,816,625,377,884
  5. Step 5: Solve for x
    x = 15,486,816,625,377,884/144,007,887.84
  6. Step 6: Final answer
    x = 107,541,446.91

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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.