Home / 111,443,738.85-153,792,842.64-61,883,960.54

Finding the Fourth Proportional to 111,443,738.85, 153,792,842.64 and 61,883,960.54

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Solution

The fourth proportional to 111,443,738.85, 153,792,842.64 and 61,883,960.54 is: 85,400,133.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,443,738.85 : 153,792,842.64 = 61,883,960.54 : x
  2. Step 2: Convert to fraction form
    111,443,738.85/153,792,842.64 = 61,883,960.54/x
  3. Step 3: Cross multiply
    111,443,738.85x = 153,792,842.64 × 61,883,960.54
  4. Step 4: Simplify right side
    111,443,738.85x = 9,517,310,204,499,224
  5. Step 5: Solve for x
    x = 9,517,310,204,499,224/111,443,738.85
  6. Step 6: Final answer
    x = 85,400,133.76

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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.