Home / 120,388,625.70-180,582,938.55-43,714,155.30

Finding the Fourth Proportional to 120,388,625.70, 180,582,938.55 and 43,714,155.30

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Solution

The fourth proportional to 120,388,625.70, 180,582,938.55 and 43,714,155.30 is: 65,571,232.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,388,625.70 : 180,582,938.55 = 43,714,155.30 : x
  2. Step 2: Convert to fraction form
    120,388,625.70/180,582,938.55 = 43,714,155.30/x
  3. Step 3: Cross multiply
    120,388,625.70x = 180,582,938.55 × 43,714,155.30
  4. Step 4: Simplify right side
    120,388,625.70x = 7,894,030,620,305,057
  5. Step 5: Solve for x
    x = 7,894,030,620,305,057/120,388,625.70
  6. Step 6: Final answer
    x = 65,571,232.95

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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.