Home / 108,395,960.70-162,540,140.85-39,306,006.30

Finding the Fourth Proportional to 108,395,960.70, 162,540,140.85 and 39,306,006.30

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Solution

The fourth proportional to 108,395,960.70, 162,540,140.85 and 39,306,006.30 is: 58,939,500.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,395,960.70 : 162,540,140.85 = 39,306,006.30 : x
  2. Step 2: Convert to fraction form
    108,395,960.70/162,540,140.85 = 39,306,006.30/x
  3. Step 3: Cross multiply
    108,395,960.70x = 162,540,140.85 × 39,306,006.30
  4. Step 4: Simplify right side
    108,395,960.70x = 6,388,803,800,252,987
  5. Step 5: Solve for x
    x = 6,388,803,800,252,987/108,395,960.70
  6. Step 6: Final answer
    x = 58,939,500.69

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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.