Home / 51,900,876.70-77,851,315.05-30,324,372.10

Finding the Fourth Proportional to 51,900,876.70, 77,851,315.05 and 30,324,372.10

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Solution

The fourth proportional to 51,900,876.70, 77,851,315.05 and 30,324,372.10 is: 45,486,558.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,900,876.70 : 77,851,315.05 = 30,324,372.10 : x
  2. Step 2: Convert to fraction form
    51,900,876.70/77,851,315.05 = 30,324,372.10/x
  3. Step 3: Cross multiply
    51,900,876.70x = 77,851,315.05 × 30,324,372.10
  4. Step 4: Simplify right side
    51,900,876.70x = 2,360,792,246,050,530
  5. Step 5: Solve for x
    x = 2,360,792,246,050,530/51,900,876.70
  6. Step 6: Final answer
    x = 45,486,558.15

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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.