Home / 188,502,610.59-260,135,996.58-103,739,488.74

Finding the Fourth Proportional to 188,502,610.59, 260,135,996.58 and 103,739,488.74

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Solution

The fourth proportional to 188,502,610.59, 260,135,996.58 and 103,739,488.74 is: 143,161,811.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,502,610.59 : 260,135,996.58 = 103,739,488.74 : x
  2. Step 2: Convert to fraction form
    188,502,610.59/260,135,996.58 = 103,739,488.74/x
  3. Step 3: Cross multiply
    188,502,610.59x = 260,135,996.58 × 103,739,488.74
  4. Step 4: Simplify right side
    188,502,610.59x = 26,986,375,288,079,588
  5. Step 5: Solve for x
    x = 26,986,375,288,079,588/188,502,610.59
  6. Step 6: Final answer
    x = 143,161,811.94

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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.