Home / 250,140,223.34-345,193,540.92-138,638,262.90

Finding the Fourth Proportional to 250,140,223.34, 345,193,540.92 and 138,638,262.90

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Solution

The fourth proportional to 250,140,223.34, 345,193,540.92 and 138,638,262.90 is: 191,320,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,140,223.34 : 345,193,540.92 = 138,638,262.90 : x
  2. Step 2: Convert to fraction form
    250,140,223.34/345,193,540.92 = 138,638,262.90/x
  3. Step 3: Cross multiply
    250,140,223.34x = 345,193,540.92 × 138,638,262.90
  4. Step 4: Simplify right side
    250,140,223.34x = 47,857,032,877,448,872
  5. Step 5: Solve for x
    x = 47,857,032,877,448,872/250,140,223.34
  6. Step 6: Final answer
    x = 191,320,820.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.