Home / 105,467,845.60-158,201,768.40-104,795,999.20

Finding the Fourth Proportional to 105,467,845.60, 158,201,768.40 and 104,795,999.20

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Solution

The fourth proportional to 105,467,845.60, 158,201,768.40 and 104,795,999.20 is: 157,193,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,467,845.60 : 158,201,768.40 = 104,795,999.20 : x
  2. Step 2: Convert to fraction form
    105,467,845.60/158,201,768.40 = 104,795,999.20/x
  3. Step 3: Cross multiply
    105,467,845.60x = 158,201,768.40 × 104,795,999.20
  4. Step 4: Simplify right side
    105,467,845.60x = 16,578,912,394,684,986
  5. Step 5: Solve for x
    x = 16,578,912,394,684,986/105,467,845.60
  6. Step 6: Final answer
    x = 157,193,998.80

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1.5x scale

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.