Home / 85,107,751.40-127,661,627.10-50,670,374.60

Finding the Fourth Proportional to 85,107,751.40, 127,661,627.10 and 50,670,374.60

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Solution

The fourth proportional to 85,107,751.40, 127,661,627.10 and 50,670,374.60 is: 76,005,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,107,751.40 : 127,661,627.10 = 50,670,374.60 : x
  2. Step 2: Convert to fraction form
    85,107,751.40/127,661,627.10 = 50,670,374.60/x
  3. Step 3: Cross multiply
    85,107,751.40x = 127,661,627.10 × 50,670,374.60
  4. Step 4: Simplify right side
    85,107,751.40x = 6,468,662,467,202,512
  5. Step 5: Solve for x
    x = 6,468,662,467,202,512/85,107,751.40
  6. Step 6: Final answer
    x = 76,005,561.90

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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.