Home / 122,023,437.32-168,391,768.44-66,268,467.56

Finding the Fourth Proportional to 122,023,437.32, 168,391,768.44 and 66,268,467.56

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Solution

The fourth proportional to 122,023,437.32, 168,391,768.44 and 66,268,467.56 is: 91,450,172.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,023,437.32 : 168,391,768.44 = 66,268,467.56 : x
  2. Step 2: Convert to fraction form
    122,023,437.32/168,391,768.44 = 66,268,467.56/x
  3. Step 3: Cross multiply
    122,023,437.32x = 168,391,768.44 × 66,268,467.56
  4. Step 4: Simplify right side
    122,023,437.32x = 11,159,064,444,237,172
  5. Step 5: Solve for x
    x = 11,159,064,444,237,172/122,023,437.32
  6. Step 6: Final answer
    x = 91,450,172.93

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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.