Home / 144,394,774.28-199,269,299.15-81,669,644.92

Finding the Fourth Proportional to 144,394,774.28, 199,269,299.15 and 81,669,644.92

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Solution

The fourth proportional to 144,394,774.28, 199,269,299.15 and 81,669,644.92 is: 112,706,661.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,394,774.28 : 199,269,299.15 = 81,669,644.92 : x
  2. Step 2: Convert to fraction form
    144,394,774.28/199,269,299.15 = 81,669,644.92/x
  3. Step 3: Cross multiply
    144,394,774.28x = 199,269,299.15 × 81,669,644.92
  4. Step 4: Simplify right side
    144,394,774.28x = 16,274,252,905,644,558
  5. Step 5: Solve for x
    x = 16,274,252,905,644,558/144,394,774.28
  6. Step 6: Final answer
    x = 112,706,661.21

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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.