Home / 36,121,500,929.09-49,836,425,356.59-20,874,037,915.01

Finding the Fourth Proportional to 36,121,500,929.09, 49,836,425,356.59 and 20,874,037,915.01

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Solution

The fourth proportional to 36,121,500,929.09, 49,836,425,356.59 and 20,874,037,915.01 is: 28,799,673,482.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,121,500,929.09 : 49,836,425,356.59 = 20,874,037,915.01 : x
  2. Step 2: Convert to fraction form
    36,121,500,929.09/49,836,425,356.59 = 20,874,037,915.01/x
  3. Step 3: Cross multiply
    36,121,500,929.09x = 49,836,425,356.59 × 20,874,037,915.01
  4. Step 4: Simplify right side
    36,121,500,929.09x = 1,040,287,432,442,025,213,952
  5. Step 5: Solve for x
    x = 1,040,287,432,442,025,213,952/36,121,500,929.09
  6. Step 6: Final answer
    x = 28,799,673,482.12

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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.