Home / 66,823,891.20-100,235,836.80-46,668,499.20

Finding the Fourth Proportional to 66,823,891.20, 100,235,836.80 and 46,668,499.20

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Solution

The fourth proportional to 66,823,891.20, 100,235,836.80 and 46,668,499.20 is: 70,002,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,823,891.20 : 100,235,836.80 = 46,668,499.20 : x
  2. Step 2: Convert to fraction form
    66,823,891.20/100,235,836.80 = 46,668,499.20/x
  3. Step 3: Cross multiply
    66,823,891.20x = 100,235,836.80 × 46,668,499.20
  4. Step 4: Simplify right side
    66,823,891.20x = 4,677,856,069,512,131
  5. Step 5: Solve for x
    x = 4,677,856,069,512,131/66,823,891.20
  6. Step 6: Final answer
    x = 70,002,748.80

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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.