Home / 194,040,019.20-291,060,028.80-92,003,347.20

Finding the Fourth Proportional to 194,040,019.20, 291,060,028.80 and 92,003,347.20

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Solution

The fourth proportional to 194,040,019.20, 291,060,028.80 and 92,003,347.20 is: 138,005,020.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,040,019.20 : 291,060,028.80 = 92,003,347.20 : x
  2. Step 2: Convert to fraction form
    194,040,019.20/291,060,028.80 = 92,003,347.20/x
  3. Step 3: Cross multiply
    194,040,019.20x = 291,060,028.80 × 92,003,347.20
  4. Step 4: Simplify right side
    194,040,019.20x = 26,778,496,885,728,400
  5. Step 5: Solve for x
    x = 26,778,496,885,728,400/194,040,019.20
  6. Step 6: Final answer
    x = 138,005,020.80

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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.