Home / 323,769,799.32-485,415,353.46-168,100,101.72

Finding the Fourth Proportional to 323,769,799.32, 485,415,353.46 and 168,100,101.72

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Solution

The fourth proportional to 323,769,799.32, 485,415,353.46 and 168,100,101.72 is: 252,025,885.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,769,799.32 : 485,415,353.46 = 168,100,101.72 : x
  2. Step 2: Convert to fraction form
    323,769,799.32/485,415,353.46 = 168,100,101.72/x
  3. Step 3: Cross multiply
    323,769,799.32x = 485,415,353.46 × 168,100,101.72
  4. Step 4: Simplify right side
    323,769,799.32x = 81,598,370,293,075,744
  5. Step 5: Solve for x
    x = 81,598,370,293,075,744/323,769,799.32
  6. Step 6: Final answer
    x = 252,025,885.26

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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.