Home / 406,945,659.20-610,455,813.60-134,317,025.60

Finding the Fourth Proportional to 406,945,659.20, 610,455,813.60 and 134,317,025.60

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Solution

The fourth proportional to 406,945,659.20, 610,455,813.60 and 134,317,025.60 is: 201,487,857.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,945,659.20 : 610,455,813.60 = 134,317,025.60 : x
  2. Step 2: Convert to fraction form
    406,945,659.20/610,455,813.60 = 134,317,025.60/x
  3. Step 3: Cross multiply
    406,945,659.20x = 610,455,813.60 × 134,317,025.60
  4. Step 4: Simplify right side
    406,945,659.20x = 81,994,609,142,980,032
  5. Step 5: Solve for x
    x = 81,994,609,142,980,032/406,945,659.20
  6. Step 6: Final answer
    x = 201,487,857.87

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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.