Home / 49,810,645.53-68,740,400.12-28,901,099.25

Finding the Fourth Proportional to 49,810,645.53, 68,740,400.12 and 28,901,099.25

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Solution

The fourth proportional to 49,810,645.53, 68,740,400.12 and 28,901,099.25 is: 39,884,508.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,810,645.53 : 68,740,400.12 = 28,901,099.25 : x
  2. Step 2: Convert to fraction form
    49,810,645.53/68,740,400.12 = 28,901,099.25/x
  3. Step 3: Cross multiply
    49,810,645.53x = 68,740,400.12 × 28,901,099.25
  4. Step 4: Simplify right side
    49,810,645.53x = 1,986,673,126,208,326.25
  5. Step 5: Solve for x
    x = 1,986,673,126,208,326.25/49,810,645.53
  6. Step 6: Final answer
    x = 39,884,508.72

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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.