Home / 201,204,851.40-301,807,277.10-142,754,214.60

Finding the Fourth Proportional to 201,204,851.40, 301,807,277.10 and 142,754,214.60

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Solution

The fourth proportional to 201,204,851.40, 301,807,277.10 and 142,754,214.60 is: 214,131,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,851.40 : 301,807,277.10 = 142,754,214.60 : x
  2. Step 2: Convert to fraction form
    201,204,851.40/301,807,277.10 = 142,754,214.60/x
  3. Step 3: Cross multiply
    201,204,851.40x = 301,807,277.10 × 142,754,214.60
  4. Step 4: Simplify right side
    201,204,851.40x = 43,084,260,802,975,064
  5. Step 5: Solve for x
    x = 43,084,260,802,975,064/201,204,851.40
  6. Step 6: Final answer
    x = 214,131,321.90

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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.