Home / 111,963,613.20-167,945,419.80-105,586,321.20

Finding the Fourth Proportional to 111,963,613.20, 167,945,419.80 and 105,586,321.20

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Solution

The fourth proportional to 111,963,613.20, 167,945,419.80 and 105,586,321.20 is: 158,379,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,963,613.20 : 167,945,419.80 = 105,586,321.20 : x
  2. Step 2: Convert to fraction form
    111,963,613.20/167,945,419.80 = 105,586,321.20/x
  3. Step 3: Cross multiply
    111,963,613.20x = 167,945,419.80 × 105,586,321.20
  4. Step 4: Simplify right side
    111,963,613.20x = 17,732,739,039,071,642
  5. Step 5: Solve for x
    x = 17,732,739,039,071,642/111,963,613.20
  6. Step 6: Final answer
    x = 158,379,481.80

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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.