Home / 255,922,272.58-383,894,333.84-100,509,761.80

Finding the Fourth Proportional to 255,922,272.58, 383,894,333.84 and 100,509,761.80

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Solution

The fourth proportional to 255,922,272.58, 383,894,333.84 and 100,509,761.80 is: 150,768,933.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,922,272.58 : 383,894,333.84 = 100,509,761.80 : x
  2. Step 2: Convert to fraction form
    255,922,272.58/383,894,333.84 = 100,509,761.80/x
  3. Step 3: Cross multiply
    255,922,272.58x = 383,894,333.84 × 100,509,761.80
  4. Step 4: Simplify right side
    255,922,272.58x = 38,585,128,050,628,072
  5. Step 5: Solve for x
    x = 38,585,128,050,628,072/255,922,272.58
  6. Step 6: Final answer
    x = 150,768,933.32

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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.