Home / 229,211,664.14-316,339,520.91-135,147,102.86

Finding the Fourth Proportional to 229,211,664.14, 316,339,520.91 and 135,147,102.86

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Solution

The fourth proportional to 229,211,664.14, 316,339,520.91 and 135,147,102.86 is: 186,519,171.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,211,664.14 : 316,339,520.91 = 135,147,102.86 : x
  2. Step 2: Convert to fraction form
    229,211,664.14/316,339,520.91 = 135,147,102.86/x
  3. Step 3: Cross multiply
    229,211,664.14x = 316,339,520.91 × 135,147,102.86
  4. Step 4: Simplify right side
    229,211,664.14x = 42,752,369,771,106,896
  5. Step 5: Solve for x
    x = 42,752,369,771,106,896/229,211,664.14
  6. Step 6: Final answer
    x = 186,519,171.84

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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.