Home / 111,315,211.54-166,554,727.81-69,262,685.01

Finding the Fourth Proportional to 111,315,211.54, 166,554,727.81 and 69,262,685.01

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Solution

The fourth proportional to 111,315,211.54, 166,554,727.81 and 69,262,685.01 is: 103,633,883.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,315,211.54 : 166,554,727.81 = 69,262,685.01 : x
  2. Step 2: Convert to fraction form
    111,315,211.54/166,554,727.81 = 69,262,685.01/x
  3. Step 3: Cross multiply
    111,315,211.54x = 166,554,727.81 × 69,262,685.01
  4. Step 4: Simplify right side
    111,315,211.54x = 11,536,027,649,057,162
  5. Step 5: Solve for x
    x = 11,536,027,649,057,162/111,315,211.54
  6. Step 6: Final answer
    x = 103,633,883.36

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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.