Home / 255,089,273.70-382,633,910.55-82,689,813.30

Finding the Fourth Proportional to 255,089,273.70, 382,633,910.55 and 82,689,813.30

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Solution

The fourth proportional to 255,089,273.70, 382,633,910.55 and 82,689,813.30 is: 124,034,719.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,089,273.70 : 382,633,910.55 = 82,689,813.30 : x
  2. Step 2: Convert to fraction form
    255,089,273.70/382,633,910.55 = 82,689,813.30/x
  3. Step 3: Cross multiply
    255,089,273.70x = 382,633,910.55 × 82,689,813.30
  4. Step 4: Simplify right side
    255,089,273.70x = 31,639,926,625,628,400
  5. Step 5: Solve for x
    x = 31,639,926,625,628,400/255,089,273.70
  6. Step 6: Final answer
    x = 124,034,719.95

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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.