Home / 55,292,666.76-76,303,912.68-30,846,380.76

Finding the Fourth Proportional to 55,292,666.76, 76,303,912.68 and 30,846,380.76

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Solution

The fourth proportional to 55,292,666.76, 76,303,912.68 and 30,846,380.76 is: 42,568,023.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,292,666.76 : 76,303,912.68 = 30,846,380.76 : x
  2. Step 2: Convert to fraction form
    55,292,666.76/76,303,912.68 = 30,846,380.76/x
  3. Step 3: Cross multiply
    55,292,666.76x = 76,303,912.68 × 30,846,380.76
  4. Step 4: Simplify right side
    55,292,666.76x = 2,353,699,544,005,072.50
  5. Step 5: Solve for x
    x = 2,353,699,544,005,072.50/55,292,666.76
  6. Step 6: Final answer
    x = 42,568,023.61

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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.