Home / 49,034,991.52-67,668,285.09-28,420,395.22

Finding the Fourth Proportional to 49,034,991.52, 67,668,285.09 and 28,420,395.22

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Solution

The fourth proportional to 49,034,991.52, 67,668,285.09 and 28,420,395.22 is: 39,220,143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,034,991.52 : 67,668,285.09 = 28,420,395.22 : x
  2. Step 2: Convert to fraction form
    49,034,991.52/67,668,285.09 = 28,420,395.22/x
  3. Step 3: Cross multiply
    49,034,991.52x = 67,668,285.09 × 28,420,395.22
  4. Step 4: Simplify right side
    49,034,991.52x = 1,923,159,406,117,433.25
  5. Step 5: Solve for x
    x = 1,923,159,406,117,433.25/49,034,991.52
  6. Step 6: Final answer
    x = 39,220,143.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.