Home / 150,778,668-208,051,896.96-84,686,504.88

Finding the Fourth Proportional to 150,778,668, 208,051,896.96 and 84,686,504.88

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Solution

The fourth proportional to 150,778,668, 208,051,896.96 and 84,686,504.88 is: 116,854,646.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,778,668 : 208,051,896.96 = 84,686,504.88 : x
  2. Step 2: Convert to fraction form
    150,778,668/208,051,896.96 = 84,686,504.88/x
  3. Step 3: Cross multiply
    150,778,668x = 208,051,896.96 × 84,686,504.88
  4. Step 4: Simplify right side
    150,778,668x = 17,619,187,987,196,296
  5. Step 5: Solve for x
    x = 17,619,187,987,196,296/150,778,668
  6. Step 6: Final answer
    x = 116,854,646.75

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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.