Home / 274,214,162.70-378,415,503.45-156,742,015.23

Finding the Fourth Proportional to 274,214,162.70, 378,415,503.45 and 156,742,015.23

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Solution

The fourth proportional to 274,214,162.70, 378,415,503.45 and 156,742,015.23 is: 216,303,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,214,162.70 : 378,415,503.45 = 156,742,015.23 : x
  2. Step 2: Convert to fraction form
    274,214,162.70/378,415,503.45 = 156,742,015.23/x
  3. Step 3: Cross multiply
    274,214,162.70x = 378,415,503.45 × 156,742,015.23
  4. Step 4: Simplify right side
    274,214,162.70x = 59,313,608,605,028,008
  5. Step 5: Solve for x
    x = 59,313,608,605,028,008/274,214,162.70
  6. Step 6: Final answer
    x = 216,303,957.54

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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.