Home / 165,864,645.80-248,908,943.10-108,216,492.20

Finding the Fourth Proportional to 165,864,645.80, 248,908,943.10 and 108,216,492.20

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Solution

The fourth proportional to 165,864,645.80, 248,908,943.10 and 108,216,492.20 is: 162,397,794.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,864,645.80 : 248,908,943.10 = 108,216,492.20 : x
  2. Step 2: Convert to fraction form
    165,864,645.80/248,908,943.10 = 108,216,492.20/x
  3. Step 3: Cross multiply
    165,864,645.80x = 248,908,943.10 × 108,216,492.20
  4. Step 4: Simplify right side
    165,864,645.80x = 26,936,052,699,491,392
  5. Step 5: Solve for x
    x = 26,936,052,699,491,392/165,864,645.80
  6. Step 6: Final answer
    x = 162,397,794.72

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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.