Home / 41,142,949.42-61,717,782.50-20,662,135.88

Finding the Fourth Proportional to 41,142,949.42, 61,717,782.50 and 20,662,135.88

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Solution

The fourth proportional to 41,142,949.42, 61,717,782.50 and 20,662,135.88 is: 30,994,890.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,142,949.42 : 61,717,782.50 = 20,662,135.88 : x
  2. Step 2: Convert to fraction form
    41,142,949.42/61,717,782.50 = 20,662,135.88/x
  3. Step 3: Cross multiply
    41,142,949.42x = 61,717,782.50 × 20,662,135.88
  4. Step 4: Simplify right side
    41,142,949.42x = 1,275,221,208,227,286
  5. Step 5: Solve for x
    x = 1,275,221,208,227,286/41,142,949.42
  6. Step 6: Final answer
    x = 30,994,890.41

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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.