Home / 59,821,661.12-89,732,481.44-18,909,819.81

Finding the Fourth Proportional to 59,821,661.12, 89,732,481.44 and 18,909,819.81

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Solution

The fourth proportional to 59,821,661.12, 89,732,481.44 and 18,909,819.81 is: 28,364,726.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,821,661.12 : 89,732,481.44 = 18,909,819.81 : x
  2. Step 2: Convert to fraction form
    59,821,661.12/89,732,481.44 = 18,909,819.81/x
  3. Step 3: Cross multiply
    59,821,661.12x = 89,732,481.44 × 18,909,819.81
  4. Step 4: Simplify right side
    59,821,661.12x = 1,696,825,055,040,020.25
  5. Step 5: Solve for x
    x = 1,696,825,055,040,020.25/59,821,661.12
  6. Step 6: Final answer
    x = 28,364,726.48

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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.