Home / 138,758,131,118.68-207,990,297,405.19-46,673,642,635.23

Finding the Fourth Proportional to 138,758,131,118.68, 207,990,297,405.19 and 46,673,642,635.23

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Solution

The fourth proportional to 138,758,131,118.68, 207,990,297,405.19 and 46,673,642,635.23 is: 69,961,051,899.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,758,131,118.68 : 207,990,297,405.19 = 46,673,642,635.23 : x
  2. Step 2: Convert to fraction form
    138,758,131,118.68/207,990,297,405.19 = 46,673,642,635.23/x
  3. Step 3: Cross multiply
    138,758,131,118.68x = 207,990,297,405.19 × 46,673,642,635.23
  4. Step 4: Simplify right side
    138,758,131,118.68x = 9,707,664,812,684,211,126,272
  5. Step 5: Solve for x
    x = 9,707,664,812,684,211,126,272/138,758,131,118.68
  6. Step 6: Final answer
    x = 69,961,051,899.59

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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.