Home / 286,065,351.72-394,746,021.37-173,076,940.67

Finding the Fourth Proportional to 286,065,351.72, 394,746,021.37 and 173,076,940.67

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Solution

The fourth proportional to 286,065,351.72, 394,746,021.37 and 173,076,940.67 is: 238,831,558.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,065,351.72 : 394,746,021.37 = 173,076,940.67 : x
  2. Step 2: Convert to fraction form
    286,065,351.72/394,746,021.37 = 173,076,940.67/x
  3. Step 3: Cross multiply
    286,065,351.72x = 394,746,021.37 × 173,076,940.67
  4. Step 4: Simplify right side
    286,065,351.72x = 68,321,433,720,374,040
  5. Step 5: Solve for x
    x = 68,321,433,720,374,040/286,065,351.72
  6. Step 6: Final answer
    x = 238,831,558.28

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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.