Home / 36,121,500,928.09-49,836,425,355.21-20,874,037,914.01

Finding the Fourth Proportional to 36,121,500,928.09, 49,836,425,355.21 and 20,874,037,914.01

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Solution

The fourth proportional to 36,121,500,928.09, 49,836,425,355.21 and 20,874,037,914.01 is: 28,799,673,480.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,121,500,928.09 : 49,836,425,355.21 = 20,874,037,914.01 : x
  2. Step 2: Convert to fraction form
    36,121,500,928.09/49,836,425,355.21 = 20,874,037,914.01/x
  3. Step 3: Cross multiply
    36,121,500,928.09x = 49,836,425,355.21 × 20,874,037,914.01
  4. Step 4: Simplify right side
    36,121,500,928.09x = 1,040,287,432,363,382,669,312
  5. Step 5: Solve for x
    x = 1,040,287,432,363,382,669,312/36,121,500,928.09
  6. Step 6: Final answer
    x = 28,799,673,480.74

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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.