Home / 250,990,163.71-346,374,837.21-139,485,704.22

Finding the Fourth Proportional to 250,990,163.71, 346,374,837.21 and 139,485,704.22

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Solution

The fourth proportional to 250,990,163.71, 346,374,837.21 and 139,485,704.22 is: 192,494,946.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,990,163.71 : 346,374,837.21 = 139,485,704.22 : x
  2. Step 2: Convert to fraction form
    250,990,163.71/346,374,837.21 = 139,485,704.22/x
  3. Step 3: Cross multiply
    250,990,163.71x = 346,374,837.21 × 139,485,704.22
  4. Step 4: Simplify right side
    250,990,163.71x = 48,314,338,091,627,280
  5. Step 5: Solve for x
    x = 48,314,338,091,627,280/250,990,163.71
  6. Step 6: Final answer
    x = 192,494,946.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.