Home / 214,078,289.22-321,090,041.64-68,499,671.94

Finding the Fourth Proportional to 214,078,289.22, 321,090,041.64 and 68,499,671.94

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Solution

The fourth proportional to 214,078,289.22, 321,090,041.64 and 68,499,671.94 is: 102,740,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,078,289.22 : 321,090,041.64 = 68,499,671.94 : x
  2. Step 2: Convert to fraction form
    214,078,289.22/321,090,041.64 = 68,499,671.94/x
  3. Step 3: Cross multiply
    214,078,289.22x = 321,090,041.64 × 68,499,671.94
  4. Step 4: Simplify right side
    214,078,289.22x = 21,994,562,515,540,936
  5. Step 5: Solve for x
    x = 21,994,562,515,540,936/214,078,289.22
  6. Step 6: Final answer
    x = 102,740,743.10

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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.