Home / 49,209,021.32-67,910,511.11-28,301,068.17

Finding the Fourth Proportional to 49,209,021.32, 67,910,511.11 and 28,301,068.17

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Solution

The fourth proportional to 49,209,021.32, 67,910,511.11 and 28,301,068.17 is: 39,056,659.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,209,021.32 : 67,910,511.11 = 28,301,068.17 : x
  2. Step 2: Convert to fraction form
    49,209,021.32/67,910,511.11 = 28,301,068.17/x
  3. Step 3: Cross multiply
    49,209,021.32x = 67,910,511.11 × 28,301,068.17
  4. Step 4: Simplify right side
    49,209,021.32x = 1,921,940,004,242,147.25
  5. Step 5: Solve for x
    x = 1,921,940,004,242,147.25/49,209,021.32
  6. Step 6: Final answer
    x = 39,056,659.79

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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.