Home / 285,660,709.48-393,846,828.42-185,011,310.44

Finding the Fourth Proportional to 285,660,709.48, 393,846,828.42 and 185,011,310.44

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Solution

The fourth proportional to 285,660,709.48, 393,846,828.42 and 185,011,310.44 is: 255,079,244.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,660,709.48 : 393,846,828.42 = 185,011,310.44 : x
  2. Step 2: Convert to fraction form
    285,660,709.48/393,846,828.42 = 185,011,310.44/x
  3. Step 3: Cross multiply
    285,660,709.48x = 393,846,828.42 × 185,011,310.44
  4. Step 4: Simplify right side
    285,660,709.48x = 72,866,117,838,622,032
  5. Step 5: Solve for x
    x = 72,866,117,838,622,032/285,660,709.48
  6. Step 6: Final answer
    x = 255,079,244.08

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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.