Home / 50,939,143.20-76,408,714.80-30,531,808.80

Finding the Fourth Proportional to 50,939,143.20, 76,408,714.80 and 30,531,808.80

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Solution

The fourth proportional to 50,939,143.20, 76,408,714.80 and 30,531,808.80 is: 45,797,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,939,143.20 : 76,408,714.80 = 30,531,808.80 : x
  2. Step 2: Convert to fraction form
    50,939,143.20/76,408,714.80 = 30,531,808.80/x
  3. Step 3: Cross multiply
    50,939,143.20x = 76,408,714.80 × 30,531,808.80
  4. Step 4: Simplify right side
    50,939,143.20x = 2,332,896,270,927,330
  5. Step 5: Solve for x
    x = 2,332,896,270,927,330/50,939,143.20
  6. Step 6: Final answer
    x = 45,797,713.20

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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.