Home / 45,168,221.68-67,714,244.70-19,589,965.54

Finding the Fourth Proportional to 45,168,221.68, 67,714,244.70 and 19,589,965.54

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Solution

The fourth proportional to 45,168,221.68, 67,714,244.70 and 19,589,965.54 is: 29,368,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,168,221.68 : 67,714,244.70 = 19,589,965.54 : x
  2. Step 2: Convert to fraction form
    45,168,221.68/67,714,244.70 = 19,589,965.54/x
  3. Step 3: Cross multiply
    45,168,221.68x = 67,714,244.70 × 19,589,965.54
  4. Step 4: Simplify right side
    45,168,221.68x = 1,326,519,720,240,127.75
  5. Step 5: Solve for x
    x = 1,326,519,720,240,127.75/45,168,221.68
  6. Step 6: Final answer
    x = 29,368,429.19

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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.