Home / 262,161,027.60-393,294,029.40-77,928,147.60

Finding the Fourth Proportional to 262,161,027.60, 393,294,029.40 and 77,928,147.60

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Solution

The fourth proportional to 262,161,027.60, 393,294,029.40 and 77,928,147.60 is: 116,907,823.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,161,027.60 : 393,294,029.40 = 77,928,147.60 : x
  2. Step 2: Convert to fraction form
    262,161,027.60/393,294,029.40 = 77,928,147.60/x
  3. Step 3: Cross multiply
    262,161,027.60x = 393,294,029.40 × 77,928,147.60
  4. Step 4: Simplify right side
    262,161,027.60x = 30,648,675,173,281,936
  5. Step 5: Solve for x
    x = 30,648,675,173,281,936/262,161,027.60
  6. Step 6: Final answer
    x = 116,907,823.61

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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.