Home / 39,143,822.80-58,715,734.20-28,338,293.20

Finding the Fourth Proportional to 39,143,822.80, 58,715,734.20 and 28,338,293.20

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Solution

The fourth proportional to 39,143,822.80, 58,715,734.20 and 28,338,293.20 is: 42,507,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,143,822.80 : 58,715,734.20 = 28,338,293.20 : x
  2. Step 2: Convert to fraction form
    39,143,822.80/58,715,734.20 = 28,338,293.20/x
  3. Step 3: Cross multiply
    39,143,822.80x = 58,715,734.20 × 28,338,293.20
  4. Step 4: Simplify right side
    39,143,822.80x = 1,663,903,691,212,867.50
  5. Step 5: Solve for x
    x = 1,663,903,691,212,867.50/39,143,822.80
  6. Step 6: Final answer
    x = 42,507,439.80

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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.