Home / 255,379,367.40-383,122,851-82,842,708.84

Finding the Fourth Proportional to 255,379,367.40, 383,122,851 and 82,842,708.84

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Solution

The fourth proportional to 255,379,367.40, 383,122,851 and 82,842,708.84 is: 124,281,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,379,367.40 : 383,122,851 = 82,842,708.84 : x
  2. Step 2: Convert to fraction form
    255,379,367.40/383,122,851 = 82,842,708.84/x
  3. Step 3: Cross multiply
    255,379,367.40x = 383,122,851 × 82,842,708.84
  4. Step 4: Simplify right side
    255,379,367.40x = 31,738,934,795,343,704
  5. Step 5: Solve for x
    x = 31,738,934,795,343,704/255,379,367.40
  6. Step 6: Final answer
    x = 124,281,515.45

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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.