Home / 259,614,181.80-389,421,272.70-75,381,301.80

Finding the Fourth Proportional to 259,614,181.80, 389,421,272.70 and 75,381,301.80

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Solution

The fourth proportional to 259,614,181.80, 389,421,272.70 and 75,381,301.80 is: 113,071,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,614,181.80 : 389,421,272.70 = 75,381,301.80 : x
  2. Step 2: Convert to fraction form
    259,614,181.80/389,421,272.70 = 75,381,301.80/x
  3. Step 3: Cross multiply
    259,614,181.80x = 389,421,272.70 × 75,381,301.80
  4. Step 4: Simplify right side
    259,614,181.80x = 29,355,082,484,738,800
  5. Step 5: Solve for x
    x = 29,355,082,484,738,800/259,614,181.80
  6. Step 6: Final answer
    x = 113,071,952.70

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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.