Home / 170,051,644.24-255,117,941.67-55,036,186.72

Finding the Fourth Proportional to 170,051,644.24, 255,117,941.67 and 55,036,186.72

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Solution

The fourth proportional to 170,051,644.24, 255,117,941.67 and 55,036,186.72 is: 82,567,379.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,051,644.24 : 255,117,941.67 = 55,036,186.72 : x
  2. Step 2: Convert to fraction form
    170,051,644.24/255,117,941.67 = 55,036,186.72/x
  3. Step 3: Cross multiply
    170,051,644.24x = 255,117,941.67 × 55,036,186.72
  4. Step 4: Simplify right side
    170,051,644.24x = 14,040,718,673,372,188
  5. Step 5: Solve for x
    x = 14,040,718,673,372,188/170,051,644.24
  6. Step 6: Final answer
    x = 82,567,379.67

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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.