Home / 262,116,455.10-393,426,625.05-132,870,003.90

Finding the Fourth Proportional to 262,116,455.10, 393,426,625.05 and 132,870,003.90

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Solution

The fourth proportional to 262,116,455.10, 393,426,625.05 and 132,870,003.90 is: 199,432,718.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,116,455.10 : 393,426,625.05 = 132,870,003.90 : x
  2. Step 2: Convert to fraction form
    262,116,455.10/393,426,625.05 = 132,870,003.90/x
  3. Step 3: Cross multiply
    262,116,455.10x = 393,426,625.05 × 132,870,003.90
  4. Step 4: Simplify right side
    262,116,455.10x = 52,274,597,204,757,344
  5. Step 5: Solve for x
    x = 52,274,597,204,757,344/262,116,455.10
  6. Step 6: Final answer
    x = 199,432,718.50

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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.