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Finding the Fourth Proportional to 201,773,734.20, 302,660,601.30 and 152,987,450.40

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Solution

The fourth proportional to 201,773,734.20, 302,660,601.30 and 152,987,450.40 is: 229,481,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,773,734.20 : 302,660,601.30 = 152,987,450.40 : x
  2. Step 2: Convert to fraction form
    201,773,734.20/302,660,601.30 = 152,987,450.40/x
  3. Step 3: Cross multiply
    201,773,734.20x = 302,660,601.30 × 152,987,450.40
  4. Step 4: Simplify right side
    201,773,734.20x = 46,303,273,729,417,928
  5. Step 5: Solve for x
    x = 46,303,273,729,417,928/201,773,734.20
  6. Step 6: Final answer
    x = 229,481,175.60

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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.