Home / 54,149,812.80-81,216,003.60-15,802,339.20

Finding the Fourth Proportional to 54,149,812.80, 81,216,003.60 and 15,802,339.20

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Solution

The fourth proportional to 54,149,812.80, 81,216,003.60 and 15,802,339.20 is: 23,700,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,149,812.80 : 81,216,003.60 = 15,802,339.20 : x
  2. Step 2: Convert to fraction form
    54,149,812.80/81,216,003.60 = 15,802,339.20/x
  3. Step 3: Cross multiply
    54,149,812.80x = 81,216,003.60 × 15,802,339.20
  4. Step 4: Simplify right side
    54,149,812.80x = 1,283,402,837,355,621
  5. Step 5: Solve for x
    x = 1,283,402,837,355,621/54,149,812.80
  6. Step 6: Final answer
    x = 23,700,965.36

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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.