Home / 275,009,706.36-412,508,567.16-129,362,537.57

Finding the Fourth Proportional to 275,009,706.36, 412,508,567.16 and 129,362,537.57

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Solution

The fourth proportional to 275,009,706.36, 412,508,567.16 and 129,362,537.57 is: 194,040,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,009,706.36 : 412,508,567.16 = 129,362,537.57 : x
  2. Step 2: Convert to fraction form
    275,009,706.36/412,508,567.16 = 129,362,537.57/x
  3. Step 3: Cross multiply
    275,009,706.36x = 412,508,567.16 × 129,362,537.57
  4. Step 4: Simplify right side
    275,009,706.36x = 53,363,155,015,119,824
  5. Step 5: Solve for x
    x = 53,363,155,015,119,824/275,009,706.36
  6. Step 6: Final answer
    x = 194,040,987.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.