Home / 188,502,604.97-260,135,988.82-103,739,483.12

Finding the Fourth Proportional to 188,502,604.97, 260,135,988.82 and 103,739,483.12

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Solution

The fourth proportional to 188,502,604.97, 260,135,988.82 and 103,739,483.12 is: 143,161,804.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,502,604.97 : 260,135,988.82 = 103,739,483.12 : x
  2. Step 2: Convert to fraction form
    188,502,604.97/260,135,988.82 = 103,739,483.12/x
  3. Step 3: Cross multiply
    188,502,604.97x = 260,135,988.82 × 103,739,483.12
  4. Step 4: Simplify right side
    188,502,604.97x = 26,986,373,019,536,868
  5. Step 5: Solve for x
    x = 26,986,373,019,536,868/188,502,604.97
  6. Step 6: Final answer
    x = 143,161,804.18

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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.