Home / 201,204,010.80-301,778,022.60-64,903,172.40

Finding the Fourth Proportional to 201,204,010.80, 301,778,022.60 and 64,903,172.40

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Solution

The fourth proportional to 201,204,010.80, 301,778,022.60 and 64,903,172.40 is: 97,345,728.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,010.80 : 301,778,022.60 = 64,903,172.40 : x
  2. Step 2: Convert to fraction form
    201,204,010.80/301,778,022.60 = 64,903,172.40/x
  3. Step 3: Cross multiply
    201,204,010.80x = 301,778,022.60 × 64,903,172.40
  4. Step 4: Simplify right side
    201,204,010.80x = 19,586,351,027,338,896
  5. Step 5: Solve for x
    x = 19,586,351,027,338,896/201,204,010.80
  6. Step 6: Final answer
    x = 97,345,728.59

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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.