Home / 55,560,597.15-76,673,604.20-30,782,390.43

Finding the Fourth Proportional to 55,560,597.15, 76,673,604.20 and 30,782,390.43

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Solution

The fourth proportional to 55,560,597.15, 76,673,604.20 and 30,782,390.43 is: 42,479,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,560,597.15 : 76,673,604.20 = 30,782,390.43 : x
  2. Step 2: Convert to fraction form
    55,560,597.15/76,673,604.20 = 30,782,390.43/x
  3. Step 3: Cross multiply
    55,560,597.15x = 76,673,604.20 × 30,782,390.43
  4. Step 4: Simplify right side
    55,560,597.15x = 2,360,196,820,005,775.50
  5. Step 5: Solve for x
    x = 2,360,196,820,005,775.50/55,560,597.15
  6. Step 6: Final answer
    x = 42,479,687.78

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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.