Home / 331,126,410.31-456,810,863.63-197,089,168.95

Finding the Fourth Proportional to 331,126,410.31, 456,810,863.63 and 197,089,168.95

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Solution

The fourth proportional to 331,126,410.31, 456,810,863.63 and 197,089,168.95 is: 271,897,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,126,410.31 : 456,810,863.63 = 197,089,168.95 : x
  2. Step 2: Convert to fraction form
    331,126,410.31/456,810,863.63 = 197,089,168.95/x
  3. Step 3: Cross multiply
    331,126,410.31x = 456,810,863.63 × 197,089,168.95
  4. Step 4: Simplify right side
    331,126,410.31x = 90,032,473,479,183,024
  5. Step 5: Solve for x
    x = 90,032,473,479,183,024/331,126,410.31
  6. Step 6: Final answer
    x = 271,897,591.60

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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.