Home / 75,840,999.80-113,761,499.70-75,085,172.60

Finding the Fourth Proportional to 75,840,999.80, 113,761,499.70 and 75,085,172.60

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Solution

The fourth proportional to 75,840,999.80, 113,761,499.70 and 75,085,172.60 is: 112,627,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,840,999.80 : 113,761,499.70 = 75,085,172.60 : x
  2. Step 2: Convert to fraction form
    75,840,999.80/113,761,499.70 = 75,085,172.60/x
  3. Step 3: Cross multiply
    75,840,999.80x = 113,761,499.70 × 75,085,172.60
  4. Step 4: Simplify right side
    75,840,999.80x = 8,541,801,840,209,348
  5. Step 5: Solve for x
    x = 8,541,801,840,209,348/75,840,999.80
  6. Step 6: Final answer
    x = 112,627,758.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.