Home / 286,065,348.47-394,746,016.89-173,076,937.41

Finding the Fourth Proportional to 286,065,348.47, 394,746,016.89 and 173,076,937.41

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Solution

The fourth proportional to 286,065,348.47, 394,746,016.89 and 173,076,937.41 is: 238,831,553.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,065,348.47 : 394,746,016.89 = 173,076,937.41 : x
  2. Step 2: Convert to fraction form
    286,065,348.47/394,746,016.89 = 173,076,937.41/x
  3. Step 3: Cross multiply
    286,065,348.47x = 394,746,016.89 × 173,076,937.41
  4. Step 4: Simplify right side
    286,065,348.47x = 68,321,431,659,762,056
  5. Step 5: Solve for x
    x = 68,321,431,659,762,056/286,065,348.47
  6. Step 6: Final answer
    x = 238,831,553.79

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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.