Home / 214,533,232.40-321,967,810.20-99,532,024.40

Finding the Fourth Proportional to 214,533,232.40, 321,967,810.20 and 99,532,024.40

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Solution

The fourth proportional to 214,533,232.40, 321,967,810.20 and 99,532,024.40 is: 149,375,961.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,533,232.40 : 321,967,810.20 = 99,532,024.40 : x
  2. Step 2: Convert to fraction form
    214,533,232.40/321,967,810.20 = 99,532,024.40/x
  3. Step 3: Cross multiply
    214,533,232.40x = 321,967,810.20 × 99,532,024.40
  4. Step 4: Simplify right side
    214,533,232.40x = 32,046,107,940,840,968
  5. Step 5: Solve for x
    x = 32,046,107,940,840,968/214,533,232.40
  6. Step 6: Final answer
    x = 149,375,961.86

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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.