Home / 214,126,459.20-321,189,688.80-154,108,180.80

Finding the Fourth Proportional to 214,126,459.20, 321,189,688.80 and 154,108,180.80

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Solution

The fourth proportional to 214,126,459.20, 321,189,688.80 and 154,108,180.80 is: 231,162,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,126,459.20 : 321,189,688.80 = 154,108,180.80 : x
  2. Step 2: Convert to fraction form
    214,126,459.20/321,189,688.80 = 154,108,180.80/x
  3. Step 3: Cross multiply
    214,126,459.20x = 321,189,688.80 × 154,108,180.80
  4. Step 4: Simplify right side
    214,126,459.20x = 49,497,958,632,686,144
  5. Step 5: Solve for x
    x = 49,497,958,632,686,144/214,126,459.20
  6. Step 6: Final answer
    x = 231,162,271.20

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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.