Home / 345,009,692.16-476,120,004.40-188,383,006.96

Finding the Fourth Proportional to 345,009,692.16, 476,120,004.40 and 188,383,006.96

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Solution

The fourth proportional to 345,009,692.16, 476,120,004.40 and 188,383,006.96 is: 259,972,169.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,009,692.16 : 476,120,004.40 = 188,383,006.96 : x
  2. Step 2: Convert to fraction form
    345,009,692.16/476,120,004.40 = 188,383,006.96/x
  3. Step 3: Cross multiply
    345,009,692.16x = 476,120,004.40 × 188,383,006.96
  4. Step 4: Simplify right side
    345,009,692.16x = 89,692,918,102,680,432
  5. Step 5: Solve for x
    x = 89,692,918,102,680,432/345,009,692.16
  6. Step 6: Final answer
    x = 259,972,169.31

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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.