Home / 51,928,540.63-71,656,921.96-28,717,890.19

Finding the Fourth Proportional to 51,928,540.63, 71,656,921.96 and 28,717,890.19

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Solution

The fourth proportional to 51,928,540.63, 71,656,921.96 and 28,717,890.19 is: 39,628,219.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,928,540.63 : 71,656,921.96 = 28,717,890.19 : x
  2. Step 2: Convert to fraction form
    51,928,540.63/71,656,921.96 = 28,717,890.19/x
  3. Step 3: Cross multiply
    51,928,540.63x = 71,656,921.96 × 28,717,890.19
  4. Step 4: Simplify right side
    51,928,540.63x = 2,057,835,616,200,679.50
  5. Step 5: Solve for x
    x = 2,057,835,616,200,679.50/51,928,540.63
  6. Step 6: Final answer
    x = 39,628,219.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.