Home / 53,990,161.20-81,004,137.48-15,653,975.76

Finding the Fourth Proportional to 53,990,161.20, 81,004,137.48 and 15,653,975.76

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Solution

The fourth proportional to 53,990,161.20, 81,004,137.48 and 15,653,975.76 is: 23,486,442.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,990,161.20 : 81,004,137.48 = 15,653,975.76 : x
  2. Step 2: Convert to fraction form
    53,990,161.20/81,004,137.48 = 15,653,975.76/x
  3. Step 3: Cross multiply
    53,990,161.20x = 81,004,137.48 × 15,653,975.76
  4. Step 4: Simplify right side
    53,990,161.20x = 1,268,036,804,571,627.50
  5. Step 5: Solve for x
    x = 1,268,036,804,571,627.50/53,990,161.20
  6. Step 6: Final answer
    x = 23,486,442.28

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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.