Home / 178,271,999.20-267,407,998.80-153,613,136.80

Finding the Fourth Proportional to 178,271,999.20, 267,407,998.80 and 153,613,136.80

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Solution

The fourth proportional to 178,271,999.20, 267,407,998.80 and 153,613,136.80 is: 230,419,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,271,999.20 : 267,407,998.80 = 153,613,136.80 : x
  2. Step 2: Convert to fraction form
    178,271,999.20/267,407,998.80 = 153,613,136.80/x
  3. Step 3: Cross multiply
    178,271,999.20x = 267,407,998.80 × 153,613,136.80
  4. Step 4: Simplify right side
    178,271,999.20x = 41,077,381,501,078,640
  5. Step 5: Solve for x
    x = 41,077,381,501,078,640/178,271,999.20
  6. Step 6: Final answer
    x = 230,419,705.20

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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.