Home / 212,846,829.40-319,433,201.94-96,344,000.90

Finding the Fourth Proportional to 212,846,829.40, 319,433,201.94 and 96,344,000.90

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Solution

The fourth proportional to 212,846,829.40, 319,433,201.94 and 96,344,000.90 is: 144,589,763.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,846,829.40 : 319,433,201.94 = 96,344,000.90 : x
  2. Step 2: Convert to fraction form
    212,846,829.40/319,433,201.94 = 96,344,000.90/x
  3. Step 3: Cross multiply
    212,846,829.40x = 319,433,201.94 × 96,344,000.90
  4. Step 4: Simplify right side
    212,846,829.40x = 30,775,472,695,995,824
  5. Step 5: Solve for x
    x = 30,775,472,695,995,824/212,846,829.40
  6. Step 6: Final answer
    x = 144,589,763.37

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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.