Home / 229,211,662.14-316,339,518.15-135,147,100.86

Finding the Fourth Proportional to 229,211,662.14, 316,339,518.15 and 135,147,100.86

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Solution

The fourth proportional to 229,211,662.14, 316,339,518.15 and 135,147,100.86 is: 186,519,169.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,211,662.14 : 316,339,518.15 = 135,147,100.86 : x
  2. Step 2: Convert to fraction form
    229,211,662.14/316,339,518.15 = 135,147,100.86/x
  3. Step 3: Cross multiply
    229,211,662.14x = 316,339,518.15 × 135,147,100.86
  4. Step 4: Simplify right side
    229,211,662.14x = 42,752,368,765,421,848
  5. Step 5: Solve for x
    x = 42,752,368,765,421,848/229,211,662.14
  6. Step 6: Final answer
    x = 186,519,169.08

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1.5x scale

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.