Home / 45,639,819.97-68,482,205.53-21,374,556.11

Finding the Fourth Proportional to 45,639,819.97, 68,482,205.53 and 21,374,556.11

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Solution

The fourth proportional to 45,639,819.97, 68,482,205.53 and 21,374,556.11 is: 32,072,360.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,639,819.97 : 68,482,205.53 = 21,374,556.11 : x
  2. Step 2: Convert to fraction form
    45,639,819.97/68,482,205.53 = 21,374,556.11/x
  3. Step 3: Cross multiply
    45,639,819.97x = 68,482,205.53 × 21,374,556.11
  4. Step 4: Simplify right side
    45,639,819.97x = 1,463,776,744,498,498.25
  5. Step 5: Solve for x
    x = 1,463,776,744,498,498.25/45,639,819.97
  6. Step 6: Final answer
    x = 32,072,360.18

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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.