Home / 55,326,701.55-76,351,910.87-30,209,806.71

Finding the Fourth Proportional to 55,326,701.55, 76,351,910.87 and 30,209,806.71

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Solution

The fourth proportional to 55,326,701.55, 76,351,910.87 and 30,209,806.71 is: 41,690,113.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,326,701.55 : 76,351,910.87 = 30,209,806.71 : x
  2. Step 2: Convert to fraction form
    55,326,701.55/76,351,910.87 = 30,209,806.71/x
  3. Step 3: Cross multiply
    55,326,701.55x = 76,351,910.87 × 30,209,806.71
  4. Step 4: Simplify right side
    55,326,701.55x = 2,306,576,469,676,905
  5. Step 5: Solve for x
    x = 2,306,576,469,676,905/55,326,701.55
  6. Step 6: Final answer
    x = 41,690,113.55

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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.