Home / 105,634,221.60-158,451,879.20-48,086,247.20

Finding the Fourth Proportional to 105,634,221.60, 158,451,879.20 and 48,086,247.20

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Solution

The fourth proportional to 105,634,221.60, 158,451,879.20 and 48,086,247.20 is: 72,129,619.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,634,221.60 : 158,451,879.20 = 48,086,247.20 : x
  2. Step 2: Convert to fraction form
    105,634,221.60/158,451,879.20 = 48,086,247.20/x
  3. Step 3: Cross multiply
    105,634,221.60x = 158,451,879.20 × 48,086,247.20
  4. Step 4: Simplify right side
    105,634,221.60x = 7,619,356,232,515,738
  5. Step 5: Solve for x
    x = 7,619,356,232,515,738/105,634,221.60
  6. Step 6: Final answer
    x = 72,129,619.71

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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.