Home / 262,326,015.60-393,489,023.40-80,573,193.60

Finding the Fourth Proportional to 262,326,015.60, 393,489,023.40 and 80,573,193.60

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Solution

The fourth proportional to 262,326,015.60, 393,489,023.40 and 80,573,193.60 is: 120,859,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,326,015.60 : 393,489,023.40 = 80,573,193.60 : x
  2. Step 2: Convert to fraction form
    262,326,015.60/393,489,023.40 = 80,573,193.60/x
  3. Step 3: Cross multiply
    262,326,015.60x = 393,489,023.40 × 80,573,193.60
  4. Step 4: Simplify right side
    262,326,015.60x = 31,704,667,261,883,124
  5. Step 5: Solve for x
    x = 31,704,667,261,883,124/262,326,015.60
  6. Step 6: Final answer
    x = 120,859,790.40

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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.