Home / 51,906,818.53-77,867,968.56-19,114,865.34

Finding the Fourth Proportional to 51,906,818.53, 77,867,968.56 and 19,114,865.34

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Solution

The fourth proportional to 51,906,818.53, 77,867,968.56 and 19,114,865.34 is: 28,675,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,906,818.53 : 77,867,968.56 = 19,114,865.34 : x
  2. Step 2: Convert to fraction form
    51,906,818.53/77,867,968.56 = 19,114,865.34/x
  3. Step 3: Cross multiply
    51,906,818.53x = 77,867,968.56 × 19,114,865.34
  4. Step 4: Simplify right side
    51,906,818.53x = 1,488,435,733,323,753.75
  5. Step 5: Solve for x
    x = 1,488,435,733,323,753.75/51,906,818.53
  6. Step 6: Final answer
    x = 28,675,148.57

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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.