Home / 49,763,048.40-74,644,572.60-28,239,687.90

Finding the Fourth Proportional to 49,763,048.40, 74,644,572.60 and 28,239,687.90

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Solution

The fourth proportional to 49,763,048.40, 74,644,572.60 and 28,239,687.90 is: 42,359,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,763,048.40 : 74,644,572.60 = 28,239,687.90 : x
  2. Step 2: Convert to fraction form
    49,763,048.40/74,644,572.60 = 28,239,687.90/x
  3. Step 3: Cross multiply
    49,763,048.40x = 74,644,572.60 × 28,239,687.90
  4. Step 4: Simplify right side
    49,763,048.40x = 2,107,939,433,652,891.25
  5. Step 5: Solve for x
    x = 2,107,939,433,652,891.25/49,763,048.40
  6. Step 6: Final answer
    x = 42,359,531.85

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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.