Home / 45,901,819.72-68,806,725.63-21,327,011.02

Finding the Fourth Proportional to 45,901,819.72, 68,806,725.63 and 21,327,011.02

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Solution

The fourth proportional to 45,901,819.72, 68,806,725.63 and 21,327,011.02 is: 31,969,142.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,901,819.72 : 68,806,725.63 = 21,327,011.02 : x
  2. Step 2: Convert to fraction form
    45,901,819.72/68,806,725.63 = 21,327,011.02/x
  3. Step 3: Cross multiply
    45,901,819.72x = 68,806,725.63 × 21,327,011.02
  4. Step 4: Simplify right side
    45,901,819.72x = 1,467,441,795,761,126.25
  5. Step 5: Solve for x
    x = 1,467,441,795,761,126.25/45,901,819.72
  6. Step 6: Final answer
    x = 31,969,142.07

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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.