Home / 53,639,489.80-80,459,234.70-21,299,105.80

Finding the Fourth Proportional to 53,639,489.80, 80,459,234.70 and 21,299,105.80

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Solution

The fourth proportional to 53,639,489.80, 80,459,234.70 and 21,299,105.80 is: 31,948,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,639,489.80 : 80,459,234.70 = 21,299,105.80 : x
  2. Step 2: Convert to fraction form
    53,639,489.80/80,459,234.70 = 21,299,105.80/x
  3. Step 3: Cross multiply
    53,639,489.80x = 80,459,234.70 × 21,299,105.80
  4. Step 4: Simplify right side
    53,639,489.80x = 1,713,709,752,462,331.50
  5. Step 5: Solve for x
    x = 1,713,709,752,462,331.50/53,639,489.80
  6. Step 6: Final answer
    x = 31,948,658.70

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1.5x scale

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.