Home / 110,976,009.40-166,464,014.10-90,804,028.60

Finding the Fourth Proportional to 110,976,009.40, 166,464,014.10 and 90,804,028.60

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Solution

The fourth proportional to 110,976,009.40, 166,464,014.10 and 90,804,028.60 is: 136,206,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,976,009.40 : 166,464,014.10 = 90,804,028.60 : x
  2. Step 2: Convert to fraction form
    110,976,009.40/166,464,014.10 = 90,804,028.60/x
  3. Step 3: Cross multiply
    110,976,009.40x = 166,464,014.10 × 90,804,028.60
  4. Step 4: Simplify right side
    110,976,009.40x = 15,115,603,097,207,202
  5. Step 5: Solve for x
    x = 15,115,603,097,207,202/110,976,009.40
  6. Step 6: Final answer
    x = 136,206,042.90

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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.