Home / 235,169,801.70-352,731,907.80-71,408,997.78

Finding the Fourth Proportional to 235,169,801.70, 352,731,907.80 and 71,408,997.78

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Solution

The fourth proportional to 235,169,801.70, 352,731,907.80 and 71,408,997.78 is: 107,106,575.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,169,801.70 : 352,731,907.80 = 71,408,997.78 : x
  2. Step 2: Convert to fraction form
    235,169,801.70/352,731,907.80 = 71,408,997.78/x
  3. Step 3: Cross multiply
    235,169,801.70x = 352,731,907.80 × 71,408,997.78
  4. Step 4: Simplify right side
    235,169,801.70x = 25,188,232,021,025,364
  5. Step 5: Solve for x
    x = 25,188,232,021,025,364/235,169,801.70
  6. Step 6: Final answer
    x = 107,106,575.07

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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.