Home / 188,346,671.40-282,520,007.10-177,765,090.60

Finding the Fourth Proportional to 188,346,671.40, 282,520,007.10 and 177,765,090.60

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Solution

The fourth proportional to 188,346,671.40, 282,520,007.10 and 177,765,090.60 is: 266,647,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,346,671.40 : 282,520,007.10 = 177,765,090.60 : x
  2. Step 2: Convert to fraction form
    188,346,671.40/282,520,007.10 = 177,765,090.60/x
  3. Step 3: Cross multiply
    188,346,671.40x = 282,520,007.10 × 177,765,090.60
  4. Step 4: Simplify right side
    188,346,671.40x = 50,222,194,658,444,144
  5. Step 5: Solve for x
    x = 50,222,194,658,444,144/188,346,671.40
  6. Step 6: Final answer
    x = 266,647,635.90

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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.