Home / 54,151,367.76-81,219,061.80-15,802,585.20

Finding the Fourth Proportional to 54,151,367.76, 81,219,061.80 and 15,802,585.20

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Solution

The fourth proportional to 54,151,367.76, 81,219,061.80 and 15,802,585.20 is: 23,701,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,151,367.76 : 81,219,061.80 = 15,802,585.20 : x
  2. Step 2: Convert to fraction form
    54,151,367.76/81,219,061.80 = 15,802,585.20/x
  3. Step 3: Cross multiply
    54,151,367.76x = 81,219,061.80 × 15,802,585.20
  4. Step 4: Simplify right side
    54,151,367.76x = 1,283,471,143,958,565.25
  5. Step 5: Solve for x
    x = 1,283,471,143,958,565.25/54,151,367.76
  6. Step 6: Final answer
    x = 23,701,546.19

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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.