Home / 36,121,500,928.59-49,836,425,355.90-20,874,037,914.51

Finding the Fourth Proportional to 36,121,500,928.59, 49,836,425,355.90 and 20,874,037,914.51

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Solution

The fourth proportional to 36,121,500,928.59, 49,836,425,355.90 and 20,874,037,914.51 is: 28,799,673,481.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,121,500,928.59 : 49,836,425,355.90 = 20,874,037,914.51 : x
  2. Step 2: Convert to fraction form
    36,121,500,928.59/49,836,425,355.90 = 20,874,037,914.51/x
  3. Step 3: Cross multiply
    36,121,500,928.59x = 49,836,425,355.90 × 20,874,037,914.51
  4. Step 4: Simplify right side
    36,121,500,928.59x = 1,040,287,432,402,704,007,168
  5. Step 5: Solve for x
    x = 1,040,287,432,402,704,007,168/36,121,500,928.59
  6. Step 6: Final answer
    x = 28,799,673,481.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.