Home / 192,783,090.40-289,174,635.60-165,909,234.40

Finding the Fourth Proportional to 192,783,090.40, 289,174,635.60 and 165,909,234.40

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Solution

The fourth proportional to 192,783,090.40, 289,174,635.60 and 165,909,234.40 is: 248,863,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,783,090.40 : 289,174,635.60 = 165,909,234.40 : x
  2. Step 2: Convert to fraction form
    192,783,090.40/289,174,635.60 = 165,909,234.40/x
  3. Step 3: Cross multiply
    192,783,090.40x = 289,174,635.60 × 165,909,234.40
  4. Step 4: Simplify right side
    192,783,090.40x = 47,976,742,400,294,992
  5. Step 5: Solve for x
    x = 47,976,742,400,294,992/192,783,090.40
  6. Step 6: Final answer
    x = 248,863,851.60

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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.