Home / 255,696,128.26-383,551,338.36-83,172,942.40

Finding the Fourth Proportional to 255,696,128.26, 383,551,338.36 and 83,172,942.40

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Solution

The fourth proportional to 255,696,128.26, 383,551,338.36 and 83,172,942.40 is: 124,761,738.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,696,128.26 : 383,551,338.36 = 83,172,942.40 : x
  2. Step 2: Convert to fraction form
    255,696,128.26/383,551,338.36 = 83,172,942.40/x
  3. Step 3: Cross multiply
    255,696,128.26x = 383,551,338.36 × 83,172,942.40
  4. Step 4: Simplify right side
    255,696,128.26x = 31,901,093,372,859,192
  5. Step 5: Solve for x
    x = 31,901,093,372,859,192/255,696,128.26
  6. Step 6: Final answer
    x = 124,761,738.04

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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.