Home / 219,646,682.12-303,111,589.50-120,529,087.85

Finding the Fourth Proportional to 219,646,682.12, 303,111,589.50 and 120,529,087.85

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Solution

The fourth proportional to 219,646,682.12, 303,111,589.50 and 120,529,087.85 is: 166,329,684.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,646,682.12 : 303,111,589.50 = 120,529,087.85 : x
  2. Step 2: Convert to fraction form
    219,646,682.12/303,111,589.50 = 120,529,087.85/x
  3. Step 3: Cross multiply
    219,646,682.12x = 303,111,589.50 × 120,529,087.85
  4. Step 4: Simplify right side
    219,646,682.12x = 36,533,763,397,683,080
  5. Step 5: Solve for x
    x = 36,533,763,397,683,080/219,646,682.12
  6. Step 6: Final answer
    x = 166,329,684.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.