Home / 54,405,213.60-81,607,820.40-18,019,219.80

Finding the Fourth Proportional to 54,405,213.60, 81,607,820.40 and 18,019,219.80

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Solution

The fourth proportional to 54,405,213.60, 81,607,820.40 and 18,019,219.80 is: 27,028,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,405,213.60 : 81,607,820.40 = 18,019,219.80 : x
  2. Step 2: Convert to fraction form
    54,405,213.60/81,607,820.40 = 18,019,219.80/x
  3. Step 3: Cross multiply
    54,405,213.60x = 81,607,820.40 × 18,019,219.80
  4. Step 4: Simplify right side
    54,405,213.60x = 1,470,509,253,186,524
  5. Step 5: Solve for x
    x = 1,470,509,253,186,524/54,405,213.60
  6. Step 6: Final answer
    x = 27,028,829.70

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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.