Home / 51,706,005.25-71,354,269.83-28,501,519.72

Finding the Fourth Proportional to 51,706,005.25, 71,354,269.83 and 28,501,519.72

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Solution

The fourth proportional to 51,706,005.25, 71,354,269.83 and 28,501,519.72 is: 39,332,087.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,706,005.25 : 71,354,269.83 = 28,501,519.72 : x
  2. Step 2: Convert to fraction form
    51,706,005.25/71,354,269.83 = 28,501,519.72/x
  3. Step 3: Cross multiply
    51,706,005.25x = 71,354,269.83 × 28,501,519.72
  4. Step 4: Simplify right side
    51,706,005.25x = 2,033,705,128,380,428.25
  5. Step 5: Solve for x
    x = 2,033,705,128,380,428.25/51,706,005.25
  6. Step 6: Final answer
    x = 39,332,087.61

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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.