Home / 90,482,942.90-135,718,193.55-29,071,205.30

Finding the Fourth Proportional to 90,482,942.90, 135,718,193.55 and 29,071,205.30

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Solution

The fourth proportional to 90,482,942.90, 135,718,193.55 and 29,071,205.30 is: 43,604,809.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,482,942.90 : 135,718,193.55 = 29,071,205.30 : x
  2. Step 2: Convert to fraction form
    90,482,942.90/135,718,193.55 = 29,071,205.30/x
  3. Step 3: Cross multiply
    90,482,942.90x = 135,718,193.55 × 29,071,205.30
  4. Step 4: Simplify right side
    90,482,942.90x = 3,945,491,467,637,186.50
  5. Step 5: Solve for x
    x = 3,945,491,467,637,186.50/90,482,942.90
  6. Step 6: Final answer
    x = 43,604,809.27

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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.