Home / 37,689,190.32-52,017,252.99-31,399,743.72

Finding the Fourth Proportional to 37,689,190.32, 52,017,252.99 and 31,399,743.72

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Solution

The fourth proportional to 37,689,190.32, 52,017,252.99 and 31,399,743.72 is: 43,336,786.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,689,190.32 : 52,017,252.99 = 31,399,743.72 : x
  2. Step 2: Convert to fraction form
    37,689,190.32/52,017,252.99 = 31,399,743.72/x
  3. Step 3: Cross multiply
    37,689,190.32x = 52,017,252.99 × 31,399,743.72
  4. Step 4: Simplify right side
    37,689,190.32x = 1,633,328,412,904,403.75
  5. Step 5: Solve for x
    x = 1,633,328,412,904,403.75/37,689,190.32
  6. Step 6: Final answer
    x = 43,336,786.99

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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.