Home / 201,583,076.56-302,399,559.48-72,204,567.76

Finding the Fourth Proportional to 201,583,076.56, 302,399,559.48 and 72,204,567.76

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Solution

The fourth proportional to 201,583,076.56, 302,399,559.48 and 72,204,567.76 is: 108,315,786.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,583,076.56 : 302,399,559.48 = 72,204,567.76 : x
  2. Step 2: Convert to fraction form
    201,583,076.56/302,399,559.48 = 72,204,567.76/x
  3. Step 3: Cross multiply
    201,583,076.56x = 302,399,559.48 × 72,204,567.76
  4. Step 4: Simplify right side
    201,583,076.56x = 21,834,629,483,067,812
  5. Step 5: Solve for x
    x = 21,834,629,483,067,812/201,583,076.56
  6. Step 6: Final answer
    x = 108,315,786.50

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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.