Home / 111,328,052.10-166,992,078.15-65,866,445.70

Finding the Fourth Proportional to 111,328,052.10, 166,992,078.15 and 65,866,445.70

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Solution

The fourth proportional to 111,328,052.10, 166,992,078.15 and 65,866,445.70 is: 98,799,668.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,328,052.10 : 166,992,078.15 = 65,866,445.70 : x
  2. Step 2: Convert to fraction form
    111,328,052.10/166,992,078.15 = 65,866,445.70/x
  3. Step 3: Cross multiply
    111,328,052.10x = 166,992,078.15 × 65,866,445.70
  4. Step 4: Simplify right side
    111,328,052.10x = 10,999,174,647,797,132
  5. Step 5: Solve for x
    x = 10,999,174,647,797,132/111,328,052.10
  6. Step 6: Final answer
    x = 98,799,668.55

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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.