Home / 255,479,539.76-383,213,807.60-71,242,107.20

Finding the Fourth Proportional to 255,479,539.76, 383,213,807.60 and 71,242,107.20

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Solution

The fourth proportional to 255,479,539.76, 383,213,807.60 and 71,242,107.20 is: 106,861,626.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,479,539.76 : 383,213,807.60 = 71,242,107.20 : x
  2. Step 2: Convert to fraction form
    255,479,539.76/383,213,807.60 = 71,242,107.20/x
  3. Step 3: Cross multiply
    255,479,539.76x = 383,213,807.60 × 71,242,107.20
  4. Step 4: Simplify right side
    255,479,539.76x = 27,300,959,161,559,376
  5. Step 5: Solve for x
    x = 27,300,959,161,559,376/255,479,539.76
  6. Step 6: Final answer
    x = 106,861,626.52

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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.