Home / 122,117,704.31-168,524,075.12-66,364,231.43

Finding the Fourth Proportional to 122,117,704.31, 168,524,075.12 and 66,364,231.43

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Solution

The fourth proportional to 122,117,704.31, 168,524,075.12 and 66,364,231.43 is: 91,583,532.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,117,704.31 : 168,524,075.12 = 66,364,231.43 : x
  2. Step 2: Convert to fraction form
    122,117,704.31/168,524,075.12 = 66,364,231.43/x
  3. Step 3: Cross multiply
    122,117,704.31x = 168,524,075.12 × 66,364,231.43
  4. Step 4: Simplify right side
    122,117,704.31x = 11,183,970,721,615,944
  5. Step 5: Solve for x
    x = 11,183,970,721,615,944/122,117,704.31
  6. Step 6: Final answer
    x = 91,583,532.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.