Home / 193,135,271.40-289,702,907.10-171,972,109.80

Finding the Fourth Proportional to 193,135,271.40, 289,702,907.10 and 171,972,109.80

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Solution

The fourth proportional to 193,135,271.40, 289,702,907.10 and 171,972,109.80 is: 257,958,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,135,271.40 : 289,702,907.10 = 171,972,109.80 : x
  2. Step 2: Convert to fraction form
    193,135,271.40/289,702,907.10 = 171,972,109.80/x
  3. Step 3: Cross multiply
    193,135,271.40x = 289,702,907.10 × 171,972,109.80
  4. Step 4: Simplify right side
    193,135,271.40x = 49,820,820,149,180,408
  5. Step 5: Solve for x
    x = 49,820,820,149,180,408/193,135,271.40
  6. Step 6: Final answer
    x = 257,958,164.70

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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.