Home / 365,990,940.48-549,004,067.16-120,342,136.80

Finding the Fourth Proportional to 365,990,940.48, 549,004,067.16 and 120,342,136.80

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Solution

The fourth proportional to 365,990,940.48, 549,004,067.16 and 120,342,136.80 is: 180,519,010.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,990,940.48 : 549,004,067.16 = 120,342,136.80 : x
  2. Step 2: Convert to fraction form
    365,990,940.48/549,004,067.16 = 120,342,136.80/x
  3. Step 3: Cross multiply
    365,990,940.48x = 549,004,067.16 × 120,342,136.80
  4. Step 4: Simplify right side
    365,990,940.48x = 66,068,322,553,925,104
  5. Step 5: Solve for x
    x = 66,068,322,553,925,104/365,990,940.48
  6. Step 6: Final answer
    x = 180,519,010.85

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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.