Home / 140,099,884.56-209,967,545.10-57,004,798.48

Finding the Fourth Proportional to 140,099,884.56, 209,967,545.10 and 57,004,798.48

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Solution

The fourth proportional to 140,099,884.56, 209,967,545.10 and 57,004,798.48 is: 85,433,029.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,099,884.56 : 209,967,545.10 = 57,004,798.48 : x
  2. Step 2: Convert to fraction form
    140,099,884.56/209,967,545.10 = 57,004,798.48/x
  3. Step 3: Cross multiply
    140,099,884.56x = 209,967,545.10 × 57,004,798.48
  4. Step 4: Simplify right side
    140,099,884.56x = 11,969,157,595,765,810
  5. Step 5: Solve for x
    x = 11,969,157,595,765,810/140,099,884.56
  6. Step 6: Final answer
    x = 85,433,029.68

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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.