Home / 172,375,412.40-258,563,118.60-107,752,186.80

Finding the Fourth Proportional to 172,375,412.40, 258,563,118.60 and 107,752,186.80

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Solution

The fourth proportional to 172,375,412.40, 258,563,118.60 and 107,752,186.80 is: 161,628,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,375,412.40 : 258,563,118.60 = 107,752,186.80 : x
  2. Step 2: Convert to fraction form
    172,375,412.40/258,563,118.60 = 107,752,186.80/x
  3. Step 3: Cross multiply
    172,375,412.40x = 258,563,118.60 × 107,752,186.80
  4. Step 4: Simplify right side
    172,375,412.40x = 27,860,741,454,977,752
  5. Step 5: Solve for x
    x = 27,860,741,454,977,752/172,375,412.40
  6. Step 6: Final answer
    x = 161,628,280.20

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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.