Home / 96,510,658.40-144,765,987.60-81,394,114.40

Finding the Fourth Proportional to 96,510,658.40, 144,765,987.60 and 81,394,114.40

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Solution

The fourth proportional to 96,510,658.40, 144,765,987.60 and 81,394,114.40 is: 122,091,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,510,658.40 : 144,765,987.60 = 81,394,114.40 : x
  2. Step 2: Convert to fraction form
    96,510,658.40/144,765,987.60 = 81,394,114.40/x
  3. Step 3: Cross multiply
    96,510,658.40x = 144,765,987.60 × 81,394,114.40
  4. Step 4: Simplify right side
    96,510,658.40x = 11,783,099,355,943,382
  5. Step 5: Solve for x
    x = 11,783,099,355,943,382/96,510,658.40
  6. Step 6: Final answer
    x = 122,091,171.60

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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.