Home / 318,947,760.24-440,146,336.91-185,012,764.24

Finding the Fourth Proportional to 318,947,760.24, 440,146,336.91 and 185,012,764.24

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Solution

The fourth proportional to 318,947,760.24, 440,146,336.91 and 185,012,764.24 is: 255,316,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,947,760.24 : 440,146,336.91 = 185,012,764.24 : x
  2. Step 2: Convert to fraction form
    318,947,760.24/440,146,336.91 = 185,012,764.24/x
  3. Step 3: Cross multiply
    318,947,760.24x = 440,146,336.91 × 185,012,764.24
  4. Step 4: Simplify right side
    318,947,760.24x = 81,432,690,460,269,200
  5. Step 5: Solve for x
    x = 81,432,690,460,269,200/318,947,760.24
  6. Step 6: Final answer
    x = 255,316,702.64

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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.