Home / 145,763,237.20-218,728,836.60-54,951,998.80

Finding the Fourth Proportional to 145,763,237.20, 218,728,836.60 and 54,951,998.80

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Solution

The fourth proportional to 145,763,237.20, 218,728,836.60 and 54,951,998.80 is: 82,459,658.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,763,237.20 : 218,728,836.60 = 54,951,998.80 : x
  2. Step 2: Convert to fraction form
    145,763,237.20/218,728,836.60 = 54,951,998.80/x
  3. Step 3: Cross multiply
    145,763,237.20x = 218,728,836.60 × 54,951,998.80
  4. Step 4: Simplify right side
    145,763,237.20x = 12,019,586,766,368,596
  5. Step 5: Solve for x
    x = 12,019,586,766,368,596/145,763,237.20
  6. Step 6: Final answer
    x = 82,459,658.53

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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.