Home / 170,809,212.10-256,213,818.15-162,448,456.90

Finding the Fourth Proportional to 170,809,212.10, 256,213,818.15 and 162,448,456.90

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Solution

The fourth proportional to 170,809,212.10, 256,213,818.15 and 162,448,456.90 is: 243,672,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,809,212.10 : 256,213,818.15 = 162,448,456.90 : x
  2. Step 2: Convert to fraction form
    170,809,212.10/256,213,818.15 = 162,448,456.90/x
  3. Step 3: Cross multiply
    170,809,212.10x = 256,213,818.15 × 162,448,456.90
  4. Step 4: Simplify right side
    170,809,212.10x = 41,621,539,394,924,712
  5. Step 5: Solve for x
    x = 41,621,539,394,924,712/170,809,212.10
  6. Step 6: Final answer
    x = 243,672,685.35

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Similar ratio
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1.5x scale

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.