Home / 262,105,723.80-393,725,456.10-185,578,219.80

Finding the Fourth Proportional to 262,105,723.80, 393,725,456.10 and 185,578,219.80

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Solution

The fourth proportional to 262,105,723.80, 393,725,456.10 and 185,578,219.80 is: 278,768,689.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,105,723.80 : 393,725,456.10 = 185,578,219.80 : x
  2. Step 2: Convert to fraction form
    262,105,723.80/393,725,456.10 = 185,578,219.80/x
  3. Step 3: Cross multiply
    262,105,723.80x = 393,725,456.10 × 185,578,219.80
  4. Step 4: Simplify right side
    262,105,723.80x = 73,066,869,232,981,056
  5. Step 5: Solve for x
    x = 73,066,869,232,981,056/262,105,723.80
  6. Step 6: Final answer
    x = 278,768,689.88

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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.