Home / 194,231,563.40-291,310,020.30-57,921,393.80

Finding the Fourth Proportional to 194,231,563.40, 291,310,020.30 and 57,921,393.80

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Solution

The fourth proportional to 194,231,563.40, 291,310,020.30 and 57,921,393.80 is: 86,870,960.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,231,563.40 : 291,310,020.30 = 57,921,393.80 : x
  2. Step 2: Convert to fraction form
    194,231,563.40/291,310,020.30 = 57,921,393.80/x
  3. Step 3: Cross multiply
    194,231,563.40x = 291,310,020.30 × 57,921,393.80
  4. Step 4: Simplify right side
    194,231,563.40x = 16,873,082,403,682,294
  5. Step 5: Solve for x
    x = 16,873,082,403,682,294/194,231,563.40
  6. Step 6: Final answer
    x = 86,870,960.15

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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.