Home / 250,140,212.62-345,193,526.15-138,638,252.21

Finding the Fourth Proportional to 250,140,212.62, 345,193,526.15 and 138,638,252.21

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Solution

The fourth proportional to 250,140,212.62, 345,193,526.15 and 138,638,252.21 is: 191,320,806.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,140,212.62 : 345,193,526.15 = 138,638,252.21 : x
  2. Step 2: Convert to fraction form
    250,140,212.62/345,193,526.15 = 138,638,252.21/x
  3. Step 3: Cross multiply
    250,140,212.62x = 345,193,526.15 × 138,638,252.21
  4. Step 4: Simplify right side
    250,140,212.62x = 47,857,027,138,263,560
  5. Step 5: Solve for x
    x = 47,857,027,138,263,560/250,140,212.62
  6. Step 6: Final answer
    x = 191,320,806.19

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1.5x scale

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.