Home / 105,512,086.60-158,268,129.90-87,372,233.80

Finding the Fourth Proportional to 105,512,086.60, 158,268,129.90 and 87,372,233.80

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Solution

The fourth proportional to 105,512,086.60, 158,268,129.90 and 87,372,233.80 is: 131,058,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,512,086.60 : 158,268,129.90 = 87,372,233.80 : x
  2. Step 2: Convert to fraction form
    105,512,086.60/158,268,129.90 = 87,372,233.80/x
  3. Step 3: Cross multiply
    105,512,086.60x = 158,268,129.90 × 87,372,233.80
  4. Step 4: Simplify right side
    105,512,086.60x = 13,828,240,048,711,570
  5. Step 5: Solve for x
    x = 13,828,240,048,711,570/105,512,086.60
  6. Step 6: Final answer
    x = 131,058,350.70

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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.