Home / 214,563,352.57-321,893,005.25-78,248,736.07

Finding the Fourth Proportional to 214,563,352.57, 321,893,005.25 and 78,248,736.07

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Solution

The fourth proportional to 214,563,352.57, 321,893,005.25 and 78,248,736.07 is: 117,390,600.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,563,352.57 : 321,893,005.25 = 78,248,736.07 : x
  2. Step 2: Convert to fraction form
    214,563,352.57/321,893,005.25 = 78,248,736.07/x
  3. Step 3: Cross multiply
    214,563,352.57x = 321,893,005.25 × 78,248,736.07
  4. Step 4: Simplify right side
    214,563,352.57x = 25,187,720,809,977,260
  5. Step 5: Solve for x
    x = 25,187,720,809,977,260/214,563,352.57
  6. Step 6: Final answer
    x = 117,390,600.53

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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.