Home / 221,400,283.10-305,530,379.22-120,928,699.39

Finding the Fourth Proportional to 221,400,283.10, 305,530,379.22 and 120,928,699.39

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Solution

The fourth proportional to 221,400,283.10, 305,530,379.22 and 120,928,699.39 is: 166,880,506.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,400,283.10 : 305,530,379.22 = 120,928,699.39 : x
  2. Step 2: Convert to fraction form
    221,400,283.10/305,530,379.22 = 120,928,699.39/x
  3. Step 3: Cross multiply
    221,400,283.10x = 305,530,379.22 × 120,928,699.39
  4. Step 4: Simplify right side
    221,400,283.10x = 36,947,391,381,680,432
  5. Step 5: Solve for x
    x = 36,947,391,381,680,432/221,400,283.10
  6. Step 6: Final answer
    x = 166,880,506.49

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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.