Home / 66,430,245.20-99,645,367.80-32,418,021.20

Finding the Fourth Proportional to 66,430,245.20, 99,645,367.80 and 32,418,021.20

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Solution

The fourth proportional to 66,430,245.20, 99,645,367.80 and 32,418,021.20 is: 48,627,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,245.20 : 99,645,367.80 = 32,418,021.20 : x
  2. Step 2: Convert to fraction form
    66,430,245.20/99,645,367.80 = 32,418,021.20/x
  3. Step 3: Cross multiply
    66,430,245.20x = 99,645,367.80 × 32,418,021.20
  4. Step 4: Simplify right side
    66,430,245.20x = 3,230,305,645,822,197
  5. Step 5: Solve for x
    x = 3,230,305,645,822,197/66,430,245.20
  6. Step 6: Final answer
    x = 48,627,031.80

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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.