Home / 66,804,819.70-100,207,229.55-60,347,811.55

Finding the Fourth Proportional to 66,804,819.70, 100,207,229.55 and 60,347,811.55

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Solution

The fourth proportional to 66,804,819.70, 100,207,229.55 and 60,347,811.55 is: 90,521,717.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,804,819.70 : 100,207,229.55 = 60,347,811.55 : x
  2. Step 2: Convert to fraction form
    66,804,819.70/100,207,229.55 = 60,347,811.55/x
  3. Step 3: Cross multiply
    66,804,819.70x = 100,207,229.55 × 60,347,811.55
  4. Step 4: Simplify right side
    66,804,819.70x = 6,047,287,004,830,991
  5. Step 5: Solve for x
    x = 6,047,287,004,830,991/66,804,819.70
  6. Step 6: Final answer
    x = 90,521,717.33

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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.