Home / 110,146,530.60-165,078,078.30-66,969,901.80

Finding the Fourth Proportional to 110,146,530.60, 165,078,078.30 and 66,969,901.80

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Solution

The fourth proportional to 110,146,530.60, 165,078,078.30 and 66,969,901.80 is: 100,368,687.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,146,530.60 : 165,078,078.30 = 66,969,901.80 : x
  2. Step 2: Convert to fraction form
    110,146,530.60/165,078,078.30 = 66,969,901.80/x
  3. Step 3: Cross multiply
    110,146,530.60x = 165,078,078.30 × 66,969,901.80
  4. Step 4: Simplify right side
    110,146,530.60x = 11,055,262,693,083,712
  5. Step 5: Solve for x
    x = 11,055,262,693,083,712/110,146,530.60
  6. Step 6: Final answer
    x = 100,368,687.36

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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.