Home / 40,741,390.20-61,139,006.10-19,182,156.60

Finding the Fourth Proportional to 40,741,390.20, 61,139,006.10 and 19,182,156.60

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Solution

The fourth proportional to 40,741,390.20, 61,139,006.10 and 19,182,156.60 is: 28,785,909.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,741,390.20 : 61,139,006.10 = 19,182,156.60 : x
  2. Step 2: Convert to fraction form
    40,741,390.20/61,139,006.10 = 19,182,156.60/x
  3. Step 3: Cross multiply
    40,741,390.20x = 61,139,006.10 × 19,182,156.60
  4. Step 4: Simplify right side
    40,741,390.20x = 1,172,777,989,378,555.50
  5. Step 5: Solve for x
    x = 1,172,777,989,378,555.50/40,741,390.20
  6. Step 6: Final answer
    x = 28,785,909.95

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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.