Home / 217,295,063.20-325,942,594.80-55,736,999.20

Finding the Fourth Proportional to 217,295,063.20, 325,942,594.80 and 55,736,999.20

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Solution

The fourth proportional to 217,295,063.20, 325,942,594.80 and 55,736,999.20 is: 83,605,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,295,063.20 : 325,942,594.80 = 55,736,999.20 : x
  2. Step 2: Convert to fraction form
    217,295,063.20/325,942,594.80 = 55,736,999.20/x
  3. Step 3: Cross multiply
    217,295,063.20x = 325,942,594.80 × 55,736,999.20
  4. Step 4: Simplify right side
    217,295,063.20x = 18,167,062,145,613,524
  5. Step 5: Solve for x
    x = 18,167,062,145,613,524/217,295,063.20
  6. Step 6: Final answer
    x = 83,605,498.80

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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.