Home / 165,961,109.40-248,941,664.10-125,650,325.40

Finding the Fourth Proportional to 165,961,109.40, 248,941,664.10 and 125,650,325.40

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Solution

The fourth proportional to 165,961,109.40, 248,941,664.10 and 125,650,325.40 is: 188,475,488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,961,109.40 : 248,941,664.10 = 125,650,325.40 : x
  2. Step 2: Convert to fraction form
    165,961,109.40/248,941,664.10 = 125,650,325.40/x
  3. Step 3: Cross multiply
    165,961,109.40x = 248,941,664.10 × 125,650,325.40
  4. Step 4: Simplify right side
    165,961,109.40x = 31,279,601,099,782,500
  5. Step 5: Solve for x
    x = 31,279,601,099,782,500/165,961,109.40
  6. Step 6: Final answer
    x = 188,475,488.10

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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.