Home / 111,534,243.56-153,920,720.72-61,297,550.60

Finding the Fourth Proportional to 111,534,243.56, 153,920,720.72 and 61,297,550.60

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Solution

The fourth proportional to 111,534,243.56, 153,920,720.72 and 61,297,550.60 is: 84,592,523.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,534,243.56 : 153,920,720.72 = 61,297,550.60 : x
  2. Step 2: Convert to fraction form
    111,534,243.56/153,920,720.72 = 61,297,550.60/x
  3. Step 3: Cross multiply
    111,534,243.56x = 153,920,720.72 × 61,297,550.60
  4. Step 4: Simplify right side
    111,534,243.56x = 9,434,963,166,722,668
  5. Step 5: Solve for x
    x = 9,434,963,166,722,668/111,534,243.56
  6. Step 6: Final answer
    x = 84,592,523.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.