Home / 432,395,142.31-648,610,650.78-125,687,255.14

Finding the Fourth Proportional to 432,395,142.31, 648,610,650.78 and 125,687,255.14

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Solution

The fourth proportional to 432,395,142.31, 648,610,650.78 and 125,687,255.14 is: 188,536,096.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,395,142.31 : 648,610,650.78 = 125,687,255.14 : x
  2. Step 2: Convert to fraction form
    432,395,142.31/648,610,650.78 = 125,687,255.14/x
  3. Step 3: Cross multiply
    432,395,142.31x = 648,610,650.78 × 125,687,255.14
  4. Step 4: Simplify right side
    432,395,142.31x = 81,522,092,351,107,296
  5. Step 5: Solve for x
    x = 81,522,092,351,107,296/432,395,142.31
  6. Step 6: Final answer
    x = 188,536,096.67

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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.