Home / 284,234,906.75-426,393,030.65-87,514,964.62

Finding the Fourth Proportional to 284,234,906.75, 426,393,030.65 and 87,514,964.62

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Solution

The fourth proportional to 284,234,906.75, 426,393,030.65 and 87,514,964.62 is: 131,284,969.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,234,906.75 : 426,393,030.65 = 87,514,964.62 : x
  2. Step 2: Convert to fraction form
    284,234,906.75/426,393,030.65 = 87,514,964.62/x
  3. Step 3: Cross multiply
    284,234,906.75x = 426,393,030.65 × 87,514,964.62
  4. Step 4: Simplify right side
    284,234,906.75x = 37,315,770,990,045,768
  5. Step 5: Solve for x
    x = 37,315,770,990,045,768/284,234,906.75
  6. Step 6: Final answer
    x = 131,284,969.24

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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.