Home / 111,369,991.20-167,054,986.80-103,811,719.20

Finding the Fourth Proportional to 111,369,991.20, 167,054,986.80 and 103,811,719.20

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Solution

The fourth proportional to 111,369,991.20, 167,054,986.80 and 103,811,719.20 is: 155,717,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,369,991.20 : 167,054,986.80 = 103,811,719.20 : x
  2. Step 2: Convert to fraction form
    111,369,991.20/167,054,986.80 = 103,811,719.20/x
  3. Step 3: Cross multiply
    111,369,991.20x = 167,054,986.80 × 103,811,719.20
  4. Step 4: Simplify right side
    111,369,991.20x = 17,342,265,380,641,308
  5. Step 5: Solve for x
    x = 17,342,265,380,641,308/111,369,991.20
  6. Step 6: Final answer
    x = 155,717,578.80

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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.