Home / 31,169,119.75-43,011,328.66-17,936,158.20

Finding the Fourth Proportional to 31,169,119.75, 43,011,328.66 and 17,936,158.20

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Solution

The fourth proportional to 31,169,119.75, 43,011,328.66 and 17,936,158.20 is: 24,750,714.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,169,119.75 : 43,011,328.66 = 17,936,158.20 : x
  2. Step 2: Convert to fraction form
    31,169,119.75/43,011,328.66 = 17,936,158.20/x
  3. Step 3: Cross multiply
    31,169,119.75x = 43,011,328.66 × 17,936,158.20
  4. Step 4: Simplify right side
    31,169,119.75x = 771,457,995,273,759.88
  5. Step 5: Solve for x
    x = 771,457,995,273,759.88/31,169,119.75
  6. Step 6: Final answer
    x = 24,750,714.86

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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.