Home / 84,869,443.85-117,120,887.66-51,378,487.34

Finding the Fourth Proportional to 84,869,443.85, 117,120,887.66 and 51,378,487.34

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Solution

The fourth proportional to 84,869,443.85, 117,120,887.66 and 51,378,487.34 is: 70,902,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,869,443.85 : 117,120,887.66 = 51,378,487.34 : x
  2. Step 2: Convert to fraction form
    84,869,443.85/117,120,887.66 = 51,378,487.34/x
  3. Step 3: Cross multiply
    84,869,443.85x = 117,120,887.66 × 51,378,487.34
  4. Step 4: Simplify right side
    84,869,443.85x = 6,017,494,043,431,714
  5. Step 5: Solve for x
    x = 6,017,494,043,431,714/84,869,443.85
  6. Step 6: Final answer
    x = 70,902,951.30

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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.