Home / 111,668,014.80-167,502,022.20-82,970,200.80

Finding the Fourth Proportional to 111,668,014.80, 167,502,022.20 and 82,970,200.80

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Solution

The fourth proportional to 111,668,014.80, 167,502,022.20 and 82,970,200.80 is: 124,455,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,668,014.80 : 167,502,022.20 = 82,970,200.80 : x
  2. Step 2: Convert to fraction form
    111,668,014.80/167,502,022.20 = 82,970,200.80/x
  3. Step 3: Cross multiply
    111,668,014.80x = 167,502,022.20 × 82,970,200.80
  4. Step 4: Simplify right side
    111,668,014.80x = 13,897,676,416,340,056
  5. Step 5: Solve for x
    x = 13,897,676,416,340,056/111,668,014.80
  6. Step 6: Final answer
    x = 124,455,301.20

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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.