Home / 201,204,873.60-301,807,310.40-99,168,201.60

Finding the Fourth Proportional to 201,204,873.60, 301,807,310.40 and 99,168,201.60

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Solution

The fourth proportional to 201,204,873.60, 301,807,310.40 and 99,168,201.60 is: 148,752,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,873.60 : 301,807,310.40 = 99,168,201.60 : x
  2. Step 2: Convert to fraction form
    201,204,873.60/301,807,310.40 = 99,168,201.60/x
  3. Step 3: Cross multiply
    201,204,873.60x = 301,807,310.40 × 99,168,201.60
  4. Step 4: Simplify right side
    201,204,873.60x = 29,929,688,202,100,972
  5. Step 5: Solve for x
    x = 29,929,688,202,100,972/201,204,873.60
  6. Step 6: Final answer
    x = 148,752,302.40

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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.