Home / 274,214,180.20-378,415,527.60-156,742,032.76

Finding the Fourth Proportional to 274,214,180.20, 378,415,527.60 and 156,742,032.76

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Solution

The fourth proportional to 274,214,180.20, 378,415,527.60 and 156,742,032.76 is: 216,303,981.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,214,180.20 : 378,415,527.60 = 156,742,032.76 : x
  2. Step 2: Convert to fraction form
    274,214,180.20/378,415,527.60 = 156,742,032.76/x
  3. Step 3: Cross multiply
    274,214,180.20x = 378,415,527.60 × 156,742,032.76
  4. Step 4: Simplify right side
    274,214,180.20x = 59,313,619,023,971,888
  5. Step 5: Solve for x
    x = 59,313,619,023,971,888/274,214,180.20
  6. Step 6: Final answer
    x = 216,303,981.73

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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.