Home / 144,229,906.14-199,037,963.50-78,150,386.94

Finding the Fourth Proportional to 144,229,906.14, 199,037,963.50 and 78,150,386.94

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Solution

The fourth proportional to 144,229,906.14, 199,037,963.50 and 78,150,386.94 is: 107,847,909.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,229,906.14 : 199,037,963.50 = 78,150,386.94 : x
  2. Step 2: Convert to fraction form
    144,229,906.14/199,037,963.50 = 78,150,386.94/x
  3. Step 3: Cross multiply
    144,229,906.14x = 199,037,963.50 × 78,150,386.94
  4. Step 4: Simplify right side
    144,229,906.14x = 15,554,893,863,274,596
  5. Step 5: Solve for x
    x = 15,554,893,863,274,596/144,229,906.14
  6. Step 6: Final answer
    x = 107,847,909.49

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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.