Home / 201,204,612.40-301,806,918.60-142,753,975.60

Finding the Fourth Proportional to 201,204,612.40, 301,806,918.60 and 142,753,975.60

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Solution

The fourth proportional to 201,204,612.40, 301,806,918.60 and 142,753,975.60 is: 214,130,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,612.40 : 301,806,918.60 = 142,753,975.60 : x
  2. Step 2: Convert to fraction form
    201,204,612.40/301,806,918.60 = 142,753,975.60/x
  3. Step 3: Cross multiply
    201,204,612.40x = 301,806,918.60 × 142,753,975.60
  4. Step 4: Simplify right side
    201,204,612.40x = 43,084,137,493,735,584
  5. Step 5: Solve for x
    x = 43,084,137,493,735,584/201,204,612.40
  6. Step 6: Final answer
    x = 214,130,963.40

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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.