Home / 49,034,804.90-67,668,027.55-28,420,208.51

Finding the Fourth Proportional to 49,034,804.90, 67,668,027.55 and 28,420,208.51

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Solution

The fourth proportional to 49,034,804.90, 67,668,027.55 and 28,420,208.51 is: 39,219,885.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,034,804.90 : 67,668,027.55 = 28,420,208.51 : x
  2. Step 2: Convert to fraction form
    49,034,804.90/67,668,027.55 = 28,420,208.51/x
  3. Step 3: Cross multiply
    49,034,804.90x = 67,668,027.55 × 28,420,208.51
  4. Step 4: Simplify right side
    49,034,804.90x = 1,923,139,452,022,033.75
  5. Step 5: Solve for x
    x = 1,923,139,452,022,033.75/49,034,804.90
  6. Step 6: Final answer
    x = 39,219,885.88

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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.