Home / 55,775,568.72-76,972,153.97-30,996,799.95

Finding the Fourth Proportional to 55,775,568.72, 76,972,153.97 and 30,996,799.95

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Solution

The fourth proportional to 55,775,568.72, 76,972,153.97 and 30,996,799.95 is: 42,776,622.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,775,568.72 : 76,972,153.97 = 30,996,799.95 : x
  2. Step 2: Convert to fraction form
    55,775,568.72/76,972,153.97 = 30,996,799.95/x
  3. Step 3: Cross multiply
    55,775,568.72x = 76,972,153.97 × 30,996,799.95
  4. Step 4: Simplify right side
    55,775,568.72x = 2,385,890,458,173,704.50
  5. Step 5: Solve for x
    x = 2,385,890,458,173,704.50/55,775,568.72
  6. Step 6: Final answer
    x = 42,776,622.68

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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.