Home / 192,783,126.40-289,174,689.60-165,909,270.40

Finding the Fourth Proportional to 192,783,126.40, 289,174,689.60 and 165,909,270.40

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Solution

The fourth proportional to 192,783,126.40, 289,174,689.60 and 165,909,270.40 is: 248,863,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,783,126.40 : 289,174,689.60 = 165,909,270.40 : x
  2. Step 2: Convert to fraction form
    192,783,126.40/289,174,689.60 = 165,909,270.40/x
  3. Step 3: Cross multiply
    192,783,126.40x = 289,174,689.60 × 165,909,270.40
  4. Step 4: Simplify right side
    192,783,126.40x = 47,976,761,769,682,472
  5. Step 5: Solve for x
    x = 47,976,761,769,682,472/192,783,126.40
  6. Step 6: Final answer
    x = 248,863,905.60

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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.