Home / 284,331,732.46-426,654,975.20-138,766,499.62

Finding the Fourth Proportional to 284,331,732.46, 426,654,975.20 and 138,766,499.62

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Solution

The fourth proportional to 284,331,732.46, 426,654,975.20 and 138,766,499.62 is: 208,226,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,331,732.46 : 426,654,975.20 = 138,766,499.62 : x
  2. Step 2: Convert to fraction form
    284,331,732.46/426,654,975.20 = 138,766,499.62/x
  3. Step 3: Cross multiply
    284,331,732.46x = 426,654,975.20 × 138,766,499.62
  4. Step 4: Simplify right side
    284,331,732.46x = 59,205,417,453,961,912
  5. Step 5: Solve for x
    x = 59,205,417,453,961,912/284,331,732.46
  6. Step 6: Final answer
    x = 208,226,556.15

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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.