Home / 262,992,005.40-394,488,008.10-109,748,040.60

Finding the Fourth Proportional to 262,992,005.40, 394,488,008.10 and 109,748,040.60

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Solution

The fourth proportional to 262,992,005.40, 394,488,008.10 and 109,748,040.60 is: 164,622,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,992,005.40 : 394,488,008.10 = 109,748,040.60 : x
  2. Step 2: Convert to fraction form
    262,992,005.40/394,488,008.10 = 109,748,040.60/x
  3. Step 3: Cross multiply
    262,992,005.40x = 394,488,008.10 × 109,748,040.60
  4. Step 4: Simplify right side
    262,992,005.40x = 43,294,285,929,171,928
  5. Step 5: Solve for x
    x = 43,294,285,929,171,928/262,992,005.40
  6. Step 6: Final answer
    x = 164,622,060.90

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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.