Home / 45,163,716.48-67,745,627-12,374,564.36

Finding the Fourth Proportional to 45,163,716.48, 67,745,627 and 12,374,564.36

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Solution

The fourth proportional to 45,163,716.48, 67,745,627 and 12,374,564.36 is: 18,561,860.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,163,716.48 : 67,745,627 = 12,374,564.36 : x
  2. Step 2: Convert to fraction form
    45,163,716.48/67,745,627 = 12,374,564.36/x
  3. Step 3: Cross multiply
    45,163,716.48x = 67,745,627 × 12,374,564.36
  4. Step 4: Simplify right side
    45,163,716.48x = 838,322,621,420,053.62
  5. Step 5: Solve for x
    x = 838,322,621,420,053.62/45,163,716.48
  6. Step 6: Final answer
    x = 18,561,860.86

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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.