Home / 279,648,310.47-385,960,125.50-168,251,745.03

Finding the Fourth Proportional to 279,648,310.47, 385,960,125.50 and 168,251,745.03

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Solution

The fourth proportional to 279,648,310.47, 385,960,125.50 and 168,251,745.03 is: 232,214,757.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,648,310.47 : 385,960,125.50 = 168,251,745.03 : x
  2. Step 2: Convert to fraction form
    279,648,310.47/385,960,125.50 = 168,251,745.03/x
  3. Step 3: Cross multiply
    279,648,310.47x = 385,960,125.50 × 168,251,745.03
  4. Step 4: Simplify right side
    279,648,310.47x = 64,938,464,627,372,800
  5. Step 5: Solve for x
    x = 64,938,464,627,372,800/279,648,310.47
  6. Step 6: Final answer
    x = 232,214,757.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.