Home / 165,817,386.82-248,392,977.45-82,568,335.96

Finding the Fourth Proportional to 165,817,386.82, 248,392,977.45 and 82,568,335.96

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Solution

The fourth proportional to 165,817,386.82, 248,392,977.45 and 82,568,335.96 is: 123,686,636.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,817,386.82 : 248,392,977.45 = 82,568,335.96 : x
  2. Step 2: Convert to fraction form
    165,817,386.82/248,392,977.45 = 82,568,335.96/x
  3. Step 3: Cross multiply
    165,817,386.82x = 248,392,977.45 × 82,568,335.96
  4. Step 4: Simplify right side
    165,817,386.82x = 20,509,394,812,196,300
  5. Step 5: Solve for x
    x = 20,509,394,812,196,300/165,817,386.82
  6. Step 6: Final answer
    x = 123,686,636.28

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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.