Home / 96,510,672.40-144,766,008.60-81,394,128.40

Finding the Fourth Proportional to 96,510,672.40, 144,766,008.60 and 81,394,128.40

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Solution

The fourth proportional to 96,510,672.40, 144,766,008.60 and 81,394,128.40 is: 122,091,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,510,672.40 : 144,766,008.60 = 81,394,128.40 : x
  2. Step 2: Convert to fraction form
    96,510,672.40/144,766,008.60 = 81,394,128.40/x
  3. Step 3: Cross multiply
    96,510,672.40x = 144,766,008.60 × 81,394,128.40
  4. Step 4: Simplify right side
    96,510,672.40x = 11,783,103,091,943,904
  5. Step 5: Solve for x
    x = 11,783,103,091,943,904/96,510,672.40
  6. Step 6: Final answer
    x = 122,091,192.60

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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.