Home / 112,091,221.69-168,130,851.09-30,208,786.23

Finding the Fourth Proportional to 112,091,221.69, 168,130,851.09 and 30,208,786.23

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Solution

The fourth proportional to 112,091,221.69, 168,130,851.09 and 30,208,786.23 is: 45,311,567.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,091,221.69 : 168,130,851.09 = 30,208,786.23 : x
  2. Step 2: Convert to fraction form
    112,091,221.69/168,130,851.09 = 30,208,786.23/x
  3. Step 3: Cross multiply
    112,091,221.69x = 168,130,851.09 × 30,208,786.23
  4. Step 4: Simplify right side
    112,091,221.69x = 5,079,028,939,245,773
  5. Step 5: Solve for x
    x = 5,079,028,939,245,773/112,091,221.69
  6. Step 6: Final answer
    x = 45,311,567.33

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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.