Home / 280,883,161.50-421,491,188.67-156,489,908.42

Finding the Fourth Proportional to 280,883,161.50, 421,491,188.67 and 156,489,908.42

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Solution

The fourth proportional to 280,883,161.50, 421,491,188.67 and 156,489,908.42 is: 234,827,595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,883,161.50 : 421,491,188.67 = 156,489,908.42 : x
  2. Step 2: Convert to fraction form
    280,883,161.50/421,491,188.67 = 156,489,908.42/x
  3. Step 3: Cross multiply
    280,883,161.50x = 421,491,188.67 × 156,489,908.42
  4. Step 4: Simplify right side
    280,883,161.50x = 65,959,117,514,805,240
  5. Step 5: Solve for x
    x = 65,959,117,514,805,240/280,883,161.50
  6. Step 6: Final answer
    x = 234,827,595.80

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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.