Home / 111,269,443.60-166,987,109.40-57,389,021.20

Finding the Fourth Proportional to 111,269,443.60, 166,987,109.40 and 57,389,021.20

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Solution

The fourth proportional to 111,269,443.60, 166,987,109.40 and 57,389,021.20 is: 86,126,311.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,269,443.60 : 166,987,109.40 = 57,389,021.20 : x
  2. Step 2: Convert to fraction form
    111,269,443.60/166,987,109.40 = 57,389,021.20/x
  3. Step 3: Cross multiply
    111,269,443.60x = 166,987,109.40 × 57,389,021.20
  4. Step 4: Simplify right side
    111,269,443.60x = 9,583,226,761,483,320
  5. Step 5: Solve for x
    x = 9,583,226,761,483,320/111,269,443.60
  6. Step 6: Final answer
    x = 86,126,311.51

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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.