Home / 144,625,043.81-199,594,869.24-81,912,297.85

Finding the Fourth Proportional to 144,625,043.81, 199,594,869.24 and 81,912,297.85

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Solution

The fourth proportional to 144,625,043.81, 199,594,869.24 and 81,912,297.85 is: 113,045,942.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,625,043.81 : 199,594,869.24 = 81,912,297.85 : x
  2. Step 2: Convert to fraction form
    144,625,043.81/199,594,869.24 = 81,912,297.85/x
  3. Step 3: Cross multiply
    144,625,043.81x = 199,594,869.24 × 81,912,297.85
  4. Step 4: Simplify right side
    144,625,043.81x = 16,349,274,378,518,682
  5. Step 5: Solve for x
    x = 16,349,274,378,518,682/144,625,043.81
  6. Step 6: Final answer
    x = 113,045,942.44

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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.