Home / 214,078,291.72-321,090,045.39-68,499,674.44

Finding the Fourth Proportional to 214,078,291.72, 321,090,045.39 and 68,499,674.44

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Solution

The fourth proportional to 214,078,291.72, 321,090,045.39 and 68,499,674.44 is: 102,740,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,078,291.72 : 321,090,045.39 = 68,499,674.44 : x
  2. Step 2: Convert to fraction form
    214,078,291.72/321,090,045.39 = 68,499,674.44/x
  3. Step 3: Cross multiply
    214,078,291.72x = 321,090,045.39 × 68,499,674.44
  4. Step 4: Simplify right side
    214,078,291.72x = 21,994,563,575,139,820
  5. Step 5: Solve for x
    x = 21,994,563,575,139,820/214,078,291.72
  6. Step 6: Final answer
    x = 102,740,746.85

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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.