Home / 221,648,506.44-305,875,353.78-123,863,362.44

Finding the Fourth Proportional to 221,648,506.44, 305,875,353.78 and 123,863,362.44

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Solution

The fourth proportional to 221,648,506.44, 305,875,353.78 and 123,863,362.44 is: 170,931,672.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,648,506.44 : 305,875,353.78 = 123,863,362.44 : x
  2. Step 2: Convert to fraction form
    221,648,506.44/305,875,353.78 = 123,863,362.44/x
  3. Step 3: Cross multiply
    221,648,506.44x = 305,875,353.78 × 123,863,362.44
  4. Step 4: Simplify right side
    221,648,506.44x = 37,886,749,806,715,360
  5. Step 5: Solve for x
    x = 37,886,749,806,715,360/221,648,506.44
  6. Step 6: Final answer
    x = 170,931,672.02

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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.