Home / 201,204,090.80-301,806,136.20-146,359,379.60

Finding the Fourth Proportional to 201,204,090.80, 301,806,136.20 and 146,359,379.60

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Solution

The fourth proportional to 201,204,090.80, 301,806,136.20 and 146,359,379.60 is: 219,539,069.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,090.80 : 301,806,136.20 = 146,359,379.60 : x
  2. Step 2: Convert to fraction form
    201,204,090.80/301,806,136.20 = 146,359,379.60/x
  3. Step 3: Cross multiply
    201,204,090.80x = 301,806,136.20 × 146,359,379.60
  4. Step 4: Simplify right side
    201,204,090.80x = 44,172,158,853,705,096
  5. Step 5: Solve for x
    x = 44,172,158,853,705,096/201,204,090.80
  6. Step 6: Final answer
    x = 219,539,069.40

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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.