Home / 215,575,441.80-323,410,401.90-69,984,227.40

Finding the Fourth Proportional to 215,575,441.80, 323,410,401.90 and 69,984,227.40

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Solution

The fourth proportional to 215,575,441.80, 323,410,401.90 and 69,984,227.40 is: 104,991,676.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,575,441.80 : 323,410,401.90 = 69,984,227.40 : x
  2. Step 2: Convert to fraction form
    215,575,441.80/323,410,401.90 = 69,984,227.40/x
  3. Step 3: Cross multiply
    215,575,441.80x = 323,410,401.90 × 69,984,227.40
  4. Step 4: Simplify right side
    215,575,441.80x = 22,633,627,110,094,992
  5. Step 5: Solve for x
    x = 22,633,627,110,094,992/215,575,441.80
  6. Step 6: Final answer
    x = 104,991,676.79

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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.