Home / 201,204,617.40-301,806,926.10-142,753,980.60

Finding the Fourth Proportional to 201,204,617.40, 301,806,926.10 and 142,753,980.60

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Solution

The fourth proportional to 201,204,617.40, 301,806,926.10 and 142,753,980.60 is: 214,130,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,617.40 : 301,806,926.10 = 142,753,980.60 : x
  2. Step 2: Convert to fraction form
    201,204,617.40/301,806,926.10 = 142,753,980.60/x
  3. Step 3: Cross multiply
    201,204,617.40x = 301,806,926.10 × 142,753,980.60
  4. Step 4: Simplify right side
    201,204,617.40x = 43,084,140,073,425,032
  5. Step 5: Solve for x
    x = 43,084,140,073,425,032/201,204,617.40
  6. Step 6: Final answer
    x = 214,130,970.90

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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.