Home / 172,504,858.12-238,060,018.80-94,191,515.56

Finding the Fourth Proportional to 172,504,858.12, 238,060,018.80 and 94,191,515.56

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Solution

The fourth proportional to 172,504,858.12, 238,060,018.80 and 94,191,515.56 is: 129,986,101.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,504,858.12 : 238,060,018.80 = 94,191,515.56 : x
  2. Step 2: Convert to fraction form
    172,504,858.12/238,060,018.80 = 94,191,515.56/x
  3. Step 3: Cross multiply
    172,504,858.12x = 238,060,018.80 × 94,191,515.56
  4. Step 4: Simplify right side
    172,504,858.12x = 22,423,233,965,014,096
  5. Step 5: Solve for x
    x = 22,423,233,965,014,096/172,504,858.12
  6. Step 6: Final answer
    x = 129,986,101.32

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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.