Home / 189,782,479,735.92-261,903,822,100.56-104,142,696,243.84

Finding the Fourth Proportional to 189,782,479,735.92, 261,903,822,100.56 and 104,142,696,243.84

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Solution

The fourth proportional to 189,782,479,735.92, 261,903,822,100.56 and 104,142,696,243.84 is: 143,719,115,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,782,479,735.92 : 261,903,822,100.56 = 104,142,696,243.84 : x
  2. Step 2: Convert to fraction form
    189,782,479,735.92/261,903,822,100.56 = 104,142,696,243.84/x
  3. Step 3: Cross multiply
    189,782,479,735.92x = 261,903,822,100.56 × 104,142,696,243.84
  4. Step 4: Simplify right side
    189,782,479,735.92x = 27,275,370,190,119,328,808,960
  5. Step 5: Solve for x
    x = 27,275,370,190,119,328,808,960/189,782,479,735.92
  6. Step 6: Final answer
    x = 143,719,115,842.90

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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.