Home / 214,560,230.80-321,840,346.20-78,250,061.20

Finding the Fourth Proportional to 214,560,230.80, 321,840,346.20 and 78,250,061.20

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Solution

The fourth proportional to 214,560,230.80, 321,840,346.20 and 78,250,061.20 is: 117,375,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,560,230.80 : 321,840,346.20 = 78,250,061.20 : x
  2. Step 2: Convert to fraction form
    214,560,230.80/321,840,346.20 = 78,250,061.20/x
  3. Step 3: Cross multiply
    214,560,230.80x = 321,840,346.20 × 78,250,061.20
  4. Step 4: Simplify right side
    214,560,230.80x = 25,184,026,786,779,188
  5. Step 5: Solve for x
    x = 25,184,026,786,779,188/214,560,230.80
  6. Step 6: Final answer
    x = 117,375,091.80

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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.