Home / 255,527,356.38-383,290,990.80-80,773,065.48

Finding the Fourth Proportional to 255,527,356.38, 383,290,990.80 and 80,773,065.48

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Solution

The fourth proportional to 255,527,356.38, 383,290,990.80 and 80,773,065.48 is: 121,159,584.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,527,356.38 : 383,290,990.80 = 80,773,065.48 : x
  2. Step 2: Convert to fraction form
    255,527,356.38/383,290,990.80 = 80,773,065.48/x
  3. Step 3: Cross multiply
    255,527,356.38x = 383,290,990.80 × 80,773,065.48
  4. Step 4: Simplify right side
    255,527,356.38x = 30,959,588,297,782,480
  5. Step 5: Solve for x
    x = 30,959,588,297,782,480/255,527,356.38
  6. Step 6: Final answer
    x = 121,159,584.38

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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.