Home / 57,097,432.80-85,646,149.20-18,760,197.60

Finding the Fourth Proportional to 57,097,432.80, 85,646,149.20 and 18,760,197.60

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Solution

The fourth proportional to 57,097,432.80, 85,646,149.20 and 18,760,197.60 is: 28,140,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,097,432.80 : 85,646,149.20 = 18,760,197.60 : x
  2. Step 2: Convert to fraction form
    57,097,432.80/85,646,149.20 = 18,760,197.60/x
  3. Step 3: Cross multiply
    57,097,432.80x = 85,646,149.20 × 18,760,197.60
  4. Step 4: Simplify right side
    57,097,432.80x = 1,606,738,682,671,082
  5. Step 5: Solve for x
    x = 1,606,738,682,671,082/57,097,432.80
  6. Step 6: Final answer
    x = 28,140,296.40

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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.