Home / 178,847,998.20-268,271,997.30-153,338,830.20

Finding the Fourth Proportional to 178,847,998.20, 268,271,997.30 and 153,338,830.20

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Solution

The fourth proportional to 178,847,998.20, 268,271,997.30 and 153,338,830.20 is: 230,008,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,847,998.20 : 268,271,997.30 = 153,338,830.20 : x
  2. Step 2: Convert to fraction form
    178,847,998.20/268,271,997.30 = 153,338,830.20/x
  3. Step 3: Cross multiply
    178,847,998.20x = 268,271,997.30 × 153,338,830.20
  4. Step 4: Simplify right side
    178,847,998.20x = 41,136,514,241,399,560
  5. Step 5: Solve for x
    x = 41,136,514,241,399,560/178,847,998.20
  6. Step 6: Final answer
    x = 230,008,245.30

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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.