Home / 75,269,190.78-103,877,743.86-41,781,821.70

Finding the Fourth Proportional to 75,269,190.78, 103,877,743.86 and 41,781,821.70

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Solution

The fourth proportional to 75,269,190.78, 103,877,743.86 and 41,781,821.70 is: 57,662,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,269,190.78 : 103,877,743.86 = 41,781,821.70 : x
  2. Step 2: Convert to fraction form
    75,269,190.78/103,877,743.86 = 41,781,821.70/x
  3. Step 3: Cross multiply
    75,269,190.78x = 103,877,743.86 × 41,781,821.70
  4. Step 4: Simplify right side
    75,269,190.78x = 4,340,201,372,556,790
  5. Step 5: Solve for x
    x = 4,340,201,372,556,790/75,269,190.78
  6. Step 6: Final answer
    x = 57,662,389.19

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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.