Home / 201,739,121.40-302,608,682.10-132,864,367.80

Finding the Fourth Proportional to 201,739,121.40, 302,608,682.10 and 132,864,367.80

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Solution

The fourth proportional to 201,739,121.40, 302,608,682.10 and 132,864,367.80 is: 199,296,551.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,739,121.40 : 302,608,682.10 = 132,864,367.80 : x
  2. Step 2: Convert to fraction form
    201,739,121.40/302,608,682.10 = 132,864,367.80/x
  3. Step 3: Cross multiply
    201,739,121.40x = 302,608,682.10 × 132,864,367.80
  4. Step 4: Simplify right side
    201,739,121.40x = 40,205,911,238,007,680
  5. Step 5: Solve for x
    x = 40,205,911,238,007,680/201,739,121.40
  6. Step 6: Final answer
    x = 199,296,551.70

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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.