Home / 53,978,105.60-80,967,161.28-15,639,644.96

Finding the Fourth Proportional to 53,978,105.60, 80,967,161.28 and 15,639,644.96

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Solution

The fourth proportional to 53,978,105.60, 80,967,161.28 and 15,639,644.96 is: 23,459,468.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,978,105.60 : 80,967,161.28 = 15,639,644.96 : x
  2. Step 2: Convert to fraction form
    53,978,105.60/80,967,161.28 = 15,639,644.96/x
  3. Step 3: Cross multiply
    53,978,105.60x = 80,967,161.28 × 15,639,644.96
  4. Step 4: Simplify right side
    53,978,105.60x = 1,266,297,655,838,259.25
  5. Step 5: Solve for x
    x = 1,266,297,655,838,259.25/53,978,105.60
  6. Step 6: Final answer
    x = 23,459,468.27

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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.