Home / 114,992,441.72-172,213,682.33-66,322,742.48

Finding the Fourth Proportional to 114,992,441.72, 172,213,682.33 and 66,322,742.48

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Solution

The fourth proportional to 114,992,441.72, 172,213,682.33 and 66,322,742.48 is: 99,325,516.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,992,441.72 : 172,213,682.33 = 66,322,742.48 : x
  2. Step 2: Convert to fraction form
    114,992,441.72/172,213,682.33 = 66,322,742.48/x
  3. Step 3: Cross multiply
    114,992,441.72x = 172,213,682.33 × 66,322,742.48
  4. Step 4: Simplify right side
    114,992,441.72x = 11,421,683,704,009,856
  5. Step 5: Solve for x
    x = 11,421,683,704,009,856/114,992,441.72
  6. Step 6: Final answer
    x = 99,325,516.82

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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.