Home / 268,462,622.56-402,438,803.28-171,145,204.96

Finding the Fourth Proportional to 268,462,622.56, 402,438,803.28 and 171,145,204.96

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Solution

The fourth proportional to 268,462,622.56, 402,438,803.28 and 171,145,204.96 is: 256,555,161.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,462,622.56 : 402,438,803.28 = 171,145,204.96 : x
  2. Step 2: Convert to fraction form
    268,462,622.56/402,438,803.28 = 171,145,204.96/x
  3. Step 3: Cross multiply
    268,462,622.56x = 402,438,803.28 × 171,145,204.96
  4. Step 4: Simplify right side
    268,462,622.56x = 68,875,471,471,212,720
  5. Step 5: Solve for x
    x = 68,875,471,471,212,720/268,462,622.56
  6. Step 6: Final answer
    x = 256,555,161.44

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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.