Home / 172,649,499.60-258,974,249.40-118,229,941.20

Finding the Fourth Proportional to 172,649,499.60, 258,974,249.40 and 118,229,941.20

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Solution

The fourth proportional to 172,649,499.60, 258,974,249.40 and 118,229,941.20 is: 177,344,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,649,499.60 : 258,974,249.40 = 118,229,941.20 : x
  2. Step 2: Convert to fraction form
    172,649,499.60/258,974,249.40 = 118,229,941.20/x
  3. Step 3: Cross multiply
    172,649,499.60x = 258,974,249.40 × 118,229,941.20
  4. Step 4: Simplify right side
    172,649,499.60x = 30,618,510,278,876,136
  5. Step 5: Solve for x
    x = 30,618,510,278,876,136/172,649,499.60
  6. Step 6: Final answer
    x = 177,344,911.80

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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.