Home / 221,400,281.16-305,530,376.54-120,928,697.44

Finding the Fourth Proportional to 221,400,281.16, 305,530,376.54 and 120,928,697.44

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Solution

The fourth proportional to 221,400,281.16, 305,530,376.54 and 120,928,697.44 is: 166,880,503.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,400,281.16 : 305,530,376.54 = 120,928,697.44 : x
  2. Step 2: Convert to fraction form
    221,400,281.16/305,530,376.54 = 120,928,697.44/x
  3. Step 3: Cross multiply
    221,400,281.16x = 305,530,376.54 × 120,928,697.44
  4. Step 4: Simplify right side
    221,400,281.16x = 36,947,390,463,052,352
  5. Step 5: Solve for x
    x = 36,947,390,463,052,352/221,400,281.16
  6. Step 6: Final answer
    x = 166,880,503.81

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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.