Home / 67,999,764.65-102,019,659.05-21,940,769.63

Finding the Fourth Proportional to 67,999,764.65, 102,019,659.05 and 21,940,769.63

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Solution

The fourth proportional to 67,999,764.65, 102,019,659.05 and 21,940,769.63 is: 32,917,611.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,999,764.65 : 102,019,659.05 = 21,940,769.63 : x
  2. Step 2: Convert to fraction form
    67,999,764.65/102,019,659.05 = 21,940,769.63/x
  3. Step 3: Cross multiply
    67,999,764.65x = 102,019,659.05 × 21,940,769.63
  4. Step 4: Simplify right side
    67,999,764.65x = 2,238,389,836,327,392.50
  5. Step 5: Solve for x
    x = 2,238,389,836,327,392.50/67,999,764.65
  6. Step 6: Final answer
    x = 32,917,611.52

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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.