Home / 67,343,252.32-101,015,089.90-18,820,786.32

Finding the Fourth Proportional to 67,343,252.32, 101,015,089.90 and 18,820,786.32

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Solution

The fourth proportional to 67,343,252.32, 101,015,089.90 and 18,820,786.32 is: 28,231,238.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,343,252.32 : 101,015,089.90 = 18,820,786.32 : x
  2. Step 2: Convert to fraction form
    67,343,252.32/101,015,089.90 = 18,820,786.32/x
  3. Step 3: Cross multiply
    67,343,252.32x = 101,015,089.90 × 18,820,786.32
  4. Step 4: Simplify right side
    67,343,252.32x = 1,901,183,422,103,490.25
  5. Step 5: Solve for x
    x = 1,901,183,422,103,490.25/67,343,252.32
  6. Step 6: Final answer
    x = 28,231,238.57

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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.