Home / 262,992,017.40-394,488,026.10-109,748,052.60

Finding the Fourth Proportional to 262,992,017.40, 394,488,026.10 and 109,748,052.60

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Solution

The fourth proportional to 262,992,017.40, 394,488,026.10 and 109,748,052.60 is: 164,622,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,992,017.40 : 394,488,026.10 = 109,748,052.60 : x
  2. Step 2: Convert to fraction form
    262,992,017.40/394,488,026.10 = 109,748,052.60/x
  3. Step 3: Cross multiply
    262,992,017.40x = 394,488,026.10 × 109,748,052.60
  4. Step 4: Simplify right side
    262,992,017.40x = 43,294,292,638,492,976
  5. Step 5: Solve for x
    x = 43,294,292,638,492,976/262,992,017.40
  6. Step 6: Final answer
    x = 164,622,078.90

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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.