Home / 71,430,725.08-107,134,608.30-19,603,218.52

Finding the Fourth Proportional to 71,430,725.08, 107,134,608.30 and 19,603,218.52

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Solution

The fourth proportional to 71,430,725.08, 107,134,608.30 and 19,603,218.52 is: 29,401,677.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,430,725.08 : 107,134,608.30 = 19,603,218.52 : x
  2. Step 2: Convert to fraction form
    71,430,725.08/107,134,608.30 = 19,603,218.52/x
  3. Step 3: Cross multiply
    71,430,725.08x = 107,134,608.30 × 19,603,218.52
  4. Step 4: Simplify right side
    71,430,725.08x = 2,100,183,137,559,505.50
  5. Step 5: Solve for x
    x = 2,100,183,137,559,505.50/71,430,725.08
  6. Step 6: Final answer
    x = 29,401,677.43

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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.