Home / 39,535,543.80-59,187,842.10-28,198,135.80

Finding the Fourth Proportional to 39,535,543.80, 59,187,842.10 and 28,198,135.80

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Solution

The fourth proportional to 39,535,543.80, 59,187,842.10 and 28,198,135.80 is: 42,214,843.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,535,543.80 : 59,187,842.10 = 28,198,135.80 : x
  2. Step 2: Convert to fraction form
    39,535,543.80/59,187,842.10 = 28,198,135.80/x
  3. Step 3: Cross multiply
    39,535,543.80x = 59,187,842.10 × 28,198,135.80
  4. Step 4: Simplify right side
    39,535,543.80x = 1,668,986,809,244,757.25
  5. Step 5: Solve for x
    x = 1,668,986,809,244,757.25/39,535,543.80
  6. Step 6: Final answer
    x = 42,214,843.88

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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.