Home / 274,214,175.20-378,415,520.70-156,742,027.76

Finding the Fourth Proportional to 274,214,175.20, 378,415,520.70 and 156,742,027.76

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Solution

The fourth proportional to 274,214,175.20, 378,415,520.70 and 156,742,027.76 is: 216,303,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,214,175.20 : 378,415,520.70 = 156,742,027.76 : x
  2. Step 2: Convert to fraction form
    274,214,175.20/378,415,520.70 = 156,742,027.76/x
  3. Step 3: Cross multiply
    274,214,175.20x = 378,415,520.70 × 156,742,027.76
  4. Step 4: Simplify right side
    274,214,175.20x = 59,313,616,050,374,248
  5. Step 5: Solve for x
    x = 59,313,616,050,374,248/274,214,175.20
  6. Step 6: Final answer
    x = 216,303,974.83

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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.