Home / 189,028,282-260,859,262.44-102,108,154

Finding the Fourth Proportional to 189,028,282, 260,859,262.44 and 102,108,154

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Solution

The fourth proportional to 189,028,282, 260,859,262.44 and 102,108,154 is: 140,909,378.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,028,282 : 260,859,262.44 = 102,108,154 : x
  2. Step 2: Convert to fraction form
    189,028,282/260,859,262.44 = 102,108,154/x
  3. Step 3: Cross multiply
    189,028,282x = 260,859,262.44 × 102,108,154
  4. Step 4: Simplify right side
    189,028,282x = 26,635,857,741,549,936
  5. Step 5: Solve for x
    x = 26,635,857,741,549,936/189,028,282
  6. Step 6: Final answer
    x = 140,909,378.53

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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.