Home / 345,629,049.96-518,444,100.70-141,157,125.20

Finding the Fourth Proportional to 345,629,049.96, 518,444,100.70 and 141,157,125.20

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Solution

The fourth proportional to 345,629,049.96, 518,444,100.70 and 141,157,125.20 is: 211,735,902.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,629,049.96 : 518,444,100.70 = 141,157,125.20 : x
  2. Step 2: Convert to fraction form
    345,629,049.96/518,444,100.70 = 141,157,125.20/x
  3. Step 3: Cross multiply
    345,629,049.96x = 518,444,100.70 × 141,157,125.20
  4. Step 4: Simplify right side
    345,629,049.96x = 73,182,078,831,711,296
  5. Step 5: Solve for x
    x = 73,182,078,831,711,296/345,629,049.96
  6. Step 6: Final answer
    x = 211,735,902.52

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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.