Home / 188,241,791.03-259,804,478.70-156,830,029.71

Finding the Fourth Proportional to 188,241,791.03, 259,804,478.70 and 156,830,029.71

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Solution

The fourth proportional to 188,241,791.03, 259,804,478.70 and 156,830,029.71 is: 216,451,107.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,241,791.03 : 259,804,478.70 = 156,830,029.71 : x
  2. Step 2: Convert to fraction form
    188,241,791.03/259,804,478.70 = 156,830,029.71/x
  3. Step 3: Cross multiply
    188,241,791.03x = 259,804,478.70 × 156,830,029.71
  4. Step 4: Simplify right side
    188,241,791.03x = 40,745,144,113,312,064
  5. Step 5: Solve for x
    x = 40,745,144,113,312,064/188,241,791.03
  6. Step 6: Final answer
    x = 216,451,107.33

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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.