Home / 110,166,039.90-165,009,911.40-91,034,163.90

Finding the Fourth Proportional to 110,166,039.90, 165,009,911.40 and 91,034,163.90

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Solution

The fourth proportional to 110,166,039.90, 165,009,911.40 and 91,034,163.90 is: 136,353,628.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,166,039.90 : 165,009,911.40 = 91,034,163.90 : x
  2. Step 2: Convert to fraction form
    110,166,039.90/165,009,911.40 = 91,034,163.90/x
  3. Step 3: Cross multiply
    110,166,039.90x = 165,009,911.40 × 91,034,163.90
  4. Step 4: Simplify right side
    110,166,039.90x = 15,021,539,319,512,080
  5. Step 5: Solve for x
    x = 15,021,539,319,512,080/110,166,039.90
  6. Step 6: Final answer
    x = 136,353,628.88

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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.