Home / 221,708,622.34-305,944,752.96-122,581,589.82

Finding the Fourth Proportional to 221,708,622.34, 305,944,752.96 and 122,581,589.82

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Solution

The fourth proportional to 221,708,622.34, 305,944,752.96 and 122,581,589.82 is: 169,155,325.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,708,622.34 : 305,944,752.96 = 122,581,589.82 : x
  2. Step 2: Convert to fraction form
    221,708,622.34/305,944,752.96 = 122,581,589.82/x
  3. Step 3: Cross multiply
    221,708,622.34x = 305,944,752.96 × 122,581,589.82
  4. Step 4: Simplify right side
    221,708,622.34x = 37,503,194,214,923,944
  5. Step 5: Solve for x
    x = 37,503,194,214,923,944/221,708,622.34
  6. Step 6: Final answer
    x = 169,155,325.67

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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.