Home / 205,227,163.79-308,331,851.29-131,595,205.35

Finding the Fourth Proportional to 205,227,163.79, 308,331,851.29 and 131,595,205.35

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Solution

The fourth proportional to 205,227,163.79, 308,331,851.29 and 131,595,205.35 is: 197,707,713.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,227,163.79 : 308,331,851.29 = 131,595,205.35 : x
  2. Step 2: Convert to fraction form
    205,227,163.79/308,331,851.29 = 131,595,205.35/x
  3. Step 3: Cross multiply
    205,227,163.79x = 308,331,851.29 × 131,595,205.35
  4. Step 4: Simplify right side
    205,227,163.79x = 40,574,993,287,621,280
  5. Step 5: Solve for x
    x = 40,574,993,287,621,280/205,227,163.79
  6. Step 6: Final answer
    x = 197,707,713.43

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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.