Home / 110,990,320.80-166,485,481.20-109,077,133.20

Finding the Fourth Proportional to 110,990,320.80, 166,485,481.20 and 109,077,133.20

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Solution

The fourth proportional to 110,990,320.80, 166,485,481.20 and 109,077,133.20 is: 163,615,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,990,320.80 : 166,485,481.20 = 109,077,133.20 : x
  2. Step 2: Convert to fraction form
    110,990,320.80/166,485,481.20 = 109,077,133.20/x
  3. Step 3: Cross multiply
    110,990,320.80x = 166,485,481.20 × 109,077,133.20
  4. Step 4: Simplify right side
    110,990,320.80x = 18,159,759,008,718,496
  5. Step 5: Solve for x
    x = 18,159,759,008,718,496/110,990,320.80
  6. Step 6: Final answer
    x = 163,615,699.80

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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.