Home / 274,214,185.20-378,415,534.50-156,742,037.73

Finding the Fourth Proportional to 274,214,185.20, 378,415,534.50 and 156,742,037.73

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Solution

The fourth proportional to 274,214,185.20, 378,415,534.50 and 156,742,037.73 is: 216,303,988.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,214,185.20 : 378,415,534.50 = 156,742,037.73 : x
  2. Step 2: Convert to fraction form
    274,214,185.20/378,415,534.50 = 156,742,037.73/x
  3. Step 3: Cross multiply
    274,214,185.20x = 378,415,534.50 × 156,742,037.73
  4. Step 4: Simplify right side
    274,214,185.20x = 59,313,621,986,217,112
  5. Step 5: Solve for x
    x = 59,313,621,986,217,112/274,214,185.20
  6. Step 6: Final answer
    x = 216,303,988.59

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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.