Home / 132,856,511.70-199,284,767.55-131,512,818.90

Finding the Fourth Proportional to 132,856,511.70, 199,284,767.55 and 131,512,818.90

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Solution

The fourth proportional to 132,856,511.70, 199,284,767.55 and 131,512,818.90 is: 197,269,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,856,511.70 : 199,284,767.55 = 131,512,818.90 : x
  2. Step 2: Convert to fraction form
    132,856,511.70/199,284,767.55 = 131,512,818.90/x
  3. Step 3: Cross multiply
    132,856,511.70x = 199,284,767.55 × 131,512,818.90
  4. Step 4: Simplify right side
    132,856,511.70x = 26,208,501,544,331,748
  5. Step 5: Solve for x
    x = 26,208,501,544,331,748/132,856,511.70
  6. Step 6: Final answer
    x = 197,269,228.35

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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.