Home / 96,510,648.40-144,765,972.60-81,394,104.40

Finding the Fourth Proportional to 96,510,648.40, 144,765,972.60 and 81,394,104.40

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Solution

The fourth proportional to 96,510,648.40, 144,765,972.60 and 81,394,104.40 is: 122,091,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,510,648.40 : 144,765,972.60 = 81,394,104.40 : x
  2. Step 2: Convert to fraction form
    96,510,648.40/144,765,972.60 = 81,394,104.40/x
  3. Step 3: Cross multiply
    96,510,648.40x = 144,765,972.60 × 81,394,104.40
  4. Step 4: Simplify right side
    96,510,648.40x = 11,783,096,687,371,940
  5. Step 5: Solve for x
    x = 11,783,096,687,371,940/96,510,648.40
  6. Step 6: Final answer
    x = 122,091,156.60

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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.