Home / 250,990,131.47-346,374,792-139,485,671.19

Finding the Fourth Proportional to 250,990,131.47, 346,374,792 and 139,485,671.19

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Solution

The fourth proportional to 250,990,131.47, 346,374,792 and 139,485,671.19 is: 192,494,900.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,990,131.47 : 346,374,792 = 139,485,671.19 : x
  2. Step 2: Convert to fraction form
    250,990,131.47/346,374,792 = 139,485,671.19/x
  3. Step 3: Cross multiply
    250,990,131.47x = 346,374,792 × 139,485,671.19
  4. Step 4: Simplify right side
    250,990,131.47x = 48,314,320,345,416,640
  5. Step 5: Solve for x
    x = 48,314,320,345,416,640/250,990,131.47
  6. Step 6: Final answer
    x = 192,494,900.35

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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.