Home / 255,379,369.40-383,122,854-82,842,710.84

Finding the Fourth Proportional to 255,379,369.40, 383,122,854 and 82,842,710.84

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Solution

The fourth proportional to 255,379,369.40, 383,122,854 and 82,842,710.84 is: 124,281,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,379,369.40 : 383,122,854 = 82,842,710.84 : x
  2. Step 2: Convert to fraction form
    255,379,369.40/383,122,854 = 82,842,710.84/x
  3. Step 3: Cross multiply
    255,379,369.40x = 383,122,854 × 82,842,710.84
  4. Step 4: Simplify right side
    255,379,369.40x = 31,738,935,810,117,540
  5. Step 5: Solve for x
    x = 31,738,935,810,117,540/255,379,369.40
  6. Step 6: Final answer
    x = 124,281,518.45

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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.