Home / 111,963,615.70-167,945,423.55-105,586,323.70

Finding the Fourth Proportional to 111,963,615.70, 167,945,423.55 and 105,586,323.70

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Solution

The fourth proportional to 111,963,615.70, 167,945,423.55 and 105,586,323.70 is: 158,379,485.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,963,615.70 : 167,945,423.55 = 105,586,323.70 : x
  2. Step 2: Convert to fraction form
    111,963,615.70/167,945,423.55 = 105,586,323.70/x
  3. Step 3: Cross multiply
    111,963,615.70x = 167,945,423.55 × 105,586,323.70
  4. Step 4: Simplify right side
    111,963,615.70x = 17,732,739,854,883,904
  5. Step 5: Solve for x
    x = 17,732,739,854,883,904/111,963,615.70
  6. Step 6: Final answer
    x = 158,379,485.55

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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.