Home / 54,620,741.63-81,921,241.24-15,749,636.51

Finding the Fourth Proportional to 54,620,741.63, 81,921,241.24 and 15,749,636.51

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Solution

The fourth proportional to 54,620,741.63, 81,921,241.24 and 15,749,636.51 is: 23,621,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,620,741.63 : 81,921,241.24 = 15,749,636.51 : x
  2. Step 2: Convert to fraction form
    54,620,741.63/81,921,241.24 = 15,749,636.51/x
  3. Step 3: Cross multiply
    54,620,741.63x = 81,921,241.24 × 15,749,636.51
  4. Step 4: Simplify right side
    54,620,741.63x = 1,290,229,772,143,450.50
  5. Step 5: Solve for x
    x = 1,290,229,772,143,450.50/54,620,741.63
  6. Step 6: Final answer
    x = 23,621,608.45

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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.