Home / 284,034,467.80-425,757,768.90-154,368,112.60

Finding the Fourth Proportional to 284,034,467.80, 425,757,768.90 and 154,368,112.60

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Solution

The fourth proportional to 284,034,467.80, 425,757,768.90 and 154,368,112.60 is: 231,392,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,034,467.80 : 425,757,768.90 = 154,368,112.60 : x
  2. Step 2: Convert to fraction form
    284,034,467.80/425,757,768.90 = 154,368,112.60/x
  3. Step 3: Cross multiply
    284,034,467.80x = 425,757,768.90 × 154,368,112.60
  4. Step 4: Simplify right side
    284,034,467.80x = 65,723,423,209,879,968
  5. Step 5: Solve for x
    x = 65,723,423,209,879,968/284,034,467.80
  6. Step 6: Final answer
    x = 231,392,421.20

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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.