Home / 255,922,273.58-383,894,335.34-100,509,762.80

Finding the Fourth Proportional to 255,922,273.58, 383,894,335.34 and 100,509,762.80

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Solution

The fourth proportional to 255,922,273.58, 383,894,335.34 and 100,509,762.80 is: 150,768,934.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,922,273.58 : 383,894,335.34 = 100,509,762.80 : x
  2. Step 2: Convert to fraction form
    255,922,273.58/383,894,335.34 = 100,509,762.80/x
  3. Step 3: Cross multiply
    255,922,273.58x = 383,894,335.34 × 100,509,762.80
  4. Step 4: Simplify right side
    255,922,273.58x = 38,585,128,585,287,056
  5. Step 5: Solve for x
    x = 38,585,128,585,287,056/255,922,273.58
  6. Step 6: Final answer
    x = 150,768,934.82

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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.