Home / 266,530,168.70-399,967,885.28-143,793,205.46

Finding the Fourth Proportional to 266,530,168.70, 399,967,885.28 and 143,793,205.46

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Solution

The fourth proportional to 266,530,168.70, 399,967,885.28 and 143,793,205.46 is: 215,782,943.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,530,168.70 : 399,967,885.28 = 143,793,205.46 : x
  2. Step 2: Convert to fraction form
    266,530,168.70/399,967,885.28 = 143,793,205.46/x
  3. Step 3: Cross multiply
    266,530,168.70x = 399,967,885.28 × 143,793,205.46
  4. Step 4: Simplify right side
    266,530,168.70x = 57,512,664,305,468,752
  5. Step 5: Solve for x
    x = 57,512,664,305,468,752/266,530,168.70
  6. Step 6: Final answer
    x = 215,782,943.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.