Home / 142,019,940.60-213,029,910.90-113,322,126.60

Finding the Fourth Proportional to 142,019,940.60, 213,029,910.90 and 113,322,126.60

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Solution

The fourth proportional to 142,019,940.60, 213,029,910.90 and 113,322,126.60 is: 169,983,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,019,940.60 : 213,029,910.90 = 113,322,126.60 : x
  2. Step 2: Convert to fraction form
    142,019,940.60/213,029,910.90 = 113,322,126.60/x
  3. Step 3: Cross multiply
    142,019,940.60x = 213,029,910.90 × 113,322,126.60
  4. Step 4: Simplify right side
    142,019,940.60x = 24,141,002,532,596,520
  5. Step 5: Solve for x
    x = 24,141,002,532,596,520/142,019,940.60
  6. Step 6: Final answer
    x = 169,983,189.90

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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.