Home / 255,681,195.03-352,839,896.91-138,206,526.84

Finding the Fourth Proportional to 255,681,195.03, 352,839,896.91 and 138,206,526.84

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Solution

The fourth proportional to 255,681,195.03, 352,839,896.91 and 138,206,526.84 is: 190,724,924.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,681,195.03 : 352,839,896.91 = 138,206,526.84 : x
  2. Step 2: Convert to fraction form
    255,681,195.03/352,839,896.91 = 138,206,526.84/x
  3. Step 3: Cross multiply
    255,681,195.03x = 352,839,896.91 × 138,206,526.84
  4. Step 4: Simplify right side
    255,681,195.03x = 48,764,776,682,514,752
  5. Step 5: Solve for x
    x = 48,764,776,682,514,752/255,681,195.03
  6. Step 6: Final answer
    x = 190,724,924.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.