Home / 255,696,076.42-383,551,260.65-83,172,890.61

Finding the Fourth Proportional to 255,696,076.42, 383,551,260.65 and 83,172,890.61

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Solution

The fourth proportional to 255,696,076.42, 383,551,260.65 and 83,172,890.61 is: 124,761,660.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,696,076.42 : 383,551,260.65 = 83,172,890.61 : x
  2. Step 2: Convert to fraction form
    255,696,076.42/383,551,260.65 = 83,172,890.61/x
  3. Step 3: Cross multiply
    255,696,076.42x = 383,551,260.65 × 83,172,890.61
  4. Step 4: Simplify right side
    255,696,076.42x = 31,901,067,045,266,080
  5. Step 5: Solve for x
    x = 31,901,067,045,266,080/255,696,076.42
  6. Step 6: Final answer
    x = 124,761,660.38

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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.