Home / 105,731,879.20-158,594,328.96-43,481,039.20

Finding the Fourth Proportional to 105,731,879.20, 158,594,328.96 and 43,481,039.20

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Solution

The fourth proportional to 105,731,879.20, 158,594,328.96 and 43,481,039.20 is: 65,220,123.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,731,879.20 : 158,594,328.96 = 43,481,039.20 : x
  2. Step 2: Convert to fraction form
    105,731,879.20/158,594,328.96 = 43,481,039.20/x
  3. Step 3: Cross multiply
    105,731,879.20x = 158,594,328.96 × 43,481,039.20
  4. Step 4: Simplify right side
    105,731,879.20x = 6,895,846,234,407,456
  5. Step 5: Solve for x
    x = 6,895,846,234,407,456/105,731,879.20
  6. Step 6: Final answer
    x = 65,220,123.64

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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.