Home / 217,749,794.67-300,292,871.00-158,919,274.35

Finding the Fourth Proportional to 217,749,794.67, 300,292,871.00 and 158,919,274.35

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Solution

The fourth proportional to 217,749,794.67, 300,292,871.00 and 158,919,274.35 is: 219,161,286.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,749,794.67 : 300,292,871.00 = 158,919,274.35 : x
  2. Step 2: Convert to fraction form
    217,749,794.67/300,292,871.00 = 158,919,274.35/x
  3. Step 3: Cross multiply
    217,749,794.67x = 300,292,871.00 × 158,919,274.35
  4. Step 4: Simplify right side
    217,749,794.67x = 47,722,325,151,003,560
  5. Step 5: Solve for x
    x = 47,722,325,151,003,560/217,749,794.67
  6. Step 6: Final answer
    x = 219,161,286.57

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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.