Home / 172,036,185.60-258,054,278.40-129,568,857.60

Finding the Fourth Proportional to 172,036,185.60, 258,054,278.40 and 129,568,857.60

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Solution

The fourth proportional to 172,036,185.60, 258,054,278.40 and 129,568,857.60 is: 194,353,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,036,185.60 : 258,054,278.40 = 129,568,857.60 : x
  2. Step 2: Convert to fraction form
    172,036,185.60/258,054,278.40 = 129,568,857.60/x
  3. Step 3: Cross multiply
    172,036,185.60x = 258,054,278.40 × 129,568,857.60
  4. Step 4: Simplify right side
    172,036,185.60x = 33,435,798,051,080,356
  5. Step 5: Solve for x
    x = 33,435,798,051,080,356/172,036,185.60
  6. Step 6: Final answer
    x = 194,353,286.40

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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.