Home / 57,028,004.40-85,542,006.60-18,680,271.60

Finding the Fourth Proportional to 57,028,004.40, 85,542,006.60 and 18,680,271.60

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Solution

The fourth proportional to 57,028,004.40, 85,542,006.60 and 18,680,271.60 is: 28,020,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,028,004.40 : 85,542,006.60 = 18,680,271.60 : x
  2. Step 2: Convert to fraction form
    57,028,004.40/85,542,006.60 = 18,680,271.60/x
  3. Step 3: Cross multiply
    57,028,004.40x = 85,542,006.60 × 18,680,271.60
  4. Step 4: Simplify right side
    57,028,004.40x = 1,597,947,916,496,992.50
  5. Step 5: Solve for x
    x = 1,597,947,916,496,992.50/57,028,004.40
  6. Step 6: Final answer
    x = 28,020,407.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.