Home / 81,951,750.40-122,927,625.60-63,811,897.60

Finding the Fourth Proportional to 81,951,750.40, 122,927,625.60 and 63,811,897.60

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Solution

The fourth proportional to 81,951,750.40, 122,927,625.60 and 63,811,897.60 is: 95,717,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,951,750.40 : 122,927,625.60 = 63,811,897.60 : x
  2. Step 2: Convert to fraction form
    81,951,750.40/122,927,625.60 = 63,811,897.60/x
  3. Step 3: Cross multiply
    81,951,750.40x = 122,927,625.60 × 63,811,897.60
  4. Step 4: Simplify right side
    81,951,750.40x = 7,844,245,056,998,338
  5. Step 5: Solve for x
    x = 7,844,245,056,998,338/81,951,750.40
  6. Step 6: Final answer
    x = 95,717,846.40

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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.