Home / 132,856,513.20-199,284,769.80-131,512,820.40

Finding the Fourth Proportional to 132,856,513.20, 199,284,769.80 and 131,512,820.40

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Solution

The fourth proportional to 132,856,513.20, 199,284,769.80 and 131,512,820.40 is: 197,269,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,856,513.20 : 199,284,769.80 = 131,512,820.40 : x
  2. Step 2: Convert to fraction form
    132,856,513.20/199,284,769.80 = 131,512,820.40/x
  3. Step 3: Cross multiply
    132,856,513.20x = 199,284,769.80 × 131,512,820.40
  4. Step 4: Simplify right side
    132,856,513.20x = 26,208,502,139,162,748
  5. Step 5: Solve for x
    x = 26,208,502,139,162,748/132,856,513.20
  6. Step 6: Final answer
    x = 197,269,230.60

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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.