Home / 255,922,272.07-383,894,333.08-100,509,761.30

Finding the Fourth Proportional to 255,922,272.07, 383,894,333.08 and 100,509,761.30

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Solution

The fourth proportional to 255,922,272.07, 383,894,333.08 and 100,509,761.30 is: 150,768,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,922,272.07 : 383,894,333.08 = 100,509,761.30 : x
  2. Step 2: Convert to fraction form
    255,922,272.07/383,894,333.08 = 100,509,761.30/x
  3. Step 3: Cross multiply
    255,922,272.07x = 383,894,333.08 × 100,509,761.30
  4. Step 4: Simplify right side
    255,922,272.07x = 38,585,127,780,122,744
  5. Step 5: Solve for x
    x = 38,585,127,780,122,744/255,922,272.07
  6. Step 6: Final answer
    x = 150,768,932.57

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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.