Home / 120,388,624.70-180,582,937.05-43,714,154.30

Finding the Fourth Proportional to 120,388,624.70, 180,582,937.05 and 43,714,154.30

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Solution

The fourth proportional to 120,388,624.70, 180,582,937.05 and 43,714,154.30 is: 65,571,231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,388,624.70 : 180,582,937.05 = 43,714,154.30 : x
  2. Step 2: Convert to fraction form
    120,388,624.70/180,582,937.05 = 43,714,154.30/x
  3. Step 3: Cross multiply
    120,388,624.70x = 180,582,937.05 × 43,714,154.30
  4. Step 4: Simplify right side
    120,388,624.70x = 7,894,030,374,150,887
  5. Step 5: Solve for x
    x = 7,894,030,374,150,887/120,388,624.70
  6. Step 6: Final answer
    x = 65,571,231.45

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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.