Home / 189,914,359.24-262,076,186.64-105,145,255.90

Finding the Fourth Proportional to 189,914,359.24, 262,076,186.64 and 105,145,255.90

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Solution

The fourth proportional to 189,914,359.24, 262,076,186.64 and 105,145,255.90 is: 145,097,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,914,359.24 : 262,076,186.64 = 105,145,255.90 : x
  2. Step 2: Convert to fraction form
    189,914,359.24/262,076,186.64 = 105,145,255.90/x
  3. Step 3: Cross multiply
    189,914,359.24x = 262,076,186.64 × 105,145,255.90
  4. Step 4: Simplify right side
    189,914,359.24x = 27,556,067,709,558,960
  5. Step 5: Solve for x
    x = 27,556,067,709,558,960/189,914,359.24
  6. Step 6: Final answer
    x = 145,097,336.61

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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.