Home / 99,419,258.50-149,137,351.64-30,347,576.48

Finding the Fourth Proportional to 99,419,258.50, 149,137,351.64 and 30,347,576.48

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Solution

The fourth proportional to 99,419,258.50, 149,137,351.64 and 30,347,576.48 is: 45,523,948.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,419,258.50 : 149,137,351.64 = 30,347,576.48 : x
  2. Step 2: Convert to fraction form
    99,419,258.50/149,137,351.64 = 30,347,576.48/x
  3. Step 3: Cross multiply
    99,419,258.50x = 149,137,351.64 × 30,347,576.48
  4. Step 4: Simplify right side
    99,419,258.50x = 4,525,957,184,919,553
  5. Step 5: Solve for x
    x = 4,525,957,184,919,553/99,419,258.50
  6. Step 6: Final answer
    x = 45,523,948.31

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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.