Home / 114,876,076.40-172,314,114.60-82,627,449.20

Finding the Fourth Proportional to 114,876,076.40, 172,314,114.60 and 82,627,449.20

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Solution

The fourth proportional to 114,876,076.40, 172,314,114.60 and 82,627,449.20 is: 123,941,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,876,076.40 : 172,314,114.60 = 82,627,449.20 : x
  2. Step 2: Convert to fraction form
    114,876,076.40/172,314,114.60 = 82,627,449.20/x
  3. Step 3: Cross multiply
    114,876,076.40x = 172,314,114.60 × 82,627,449.20
  4. Step 4: Simplify right side
    114,876,076.40x = 14,237,875,750,554,478
  5. Step 5: Solve for x
    x = 14,237,875,750,554,478/114,876,076.40
  6. Step 6: Final answer
    x = 123,941,173.80

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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.