Home / 72,414,136.60-108,621,204.90-21,301,322.20

Finding the Fourth Proportional to 72,414,136.60, 108,621,204.90 and 21,301,322.20

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Solution

The fourth proportional to 72,414,136.60, 108,621,204.90 and 21,301,322.20 is: 31,951,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,414,136.60 : 108,621,204.90 = 21,301,322.20 : x
  2. Step 2: Convert to fraction form
    72,414,136.60/108,621,204.90 = 21,301,322.20/x
  3. Step 3: Cross multiply
    72,414,136.60x = 108,621,204.90 × 21,301,322.20
  4. Step 4: Simplify right side
    72,414,136.60x = 2,313,775,283,327,119
  5. Step 5: Solve for x
    x = 2,313,775,283,327,119/72,414,136.60
  6. Step 6: Final answer
    x = 31,951,983.30

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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.