Home / 172,375,415.40-258,563,123.10-107,752,189.80

Finding the Fourth Proportional to 172,375,415.40, 258,563,123.10 and 107,752,189.80

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Solution

The fourth proportional to 172,375,415.40, 258,563,123.10 and 107,752,189.80 is: 161,628,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,375,415.40 : 258,563,123.10 = 107,752,189.80 : x
  2. Step 2: Convert to fraction form
    172,375,415.40/258,563,123.10 = 107,752,189.80/x
  3. Step 3: Cross multiply
    172,375,415.40x = 258,563,123.10 × 107,752,189.80
  4. Step 4: Simplify right side
    172,375,415.40x = 27,860,742,715,551,964
  5. Step 5: Solve for x
    x = 27,860,742,715,551,964/172,375,415.40
  6. Step 6: Final answer
    x = 161,628,284.70

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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.