Home / 136,945,048.14-188,873,972.06-120,389,775.26

Finding the Fourth Proportional to 136,945,048.14, 188,873,972.06 and 120,389,775.26

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Solution

The fourth proportional to 136,945,048.14, 188,873,972.06 and 120,389,775.26 is: 166,041,016.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,945,048.14 : 188,873,972.06 = 120,389,775.26 : x
  2. Step 2: Convert to fraction form
    136,945,048.14/188,873,972.06 = 120,389,775.26/x
  3. Step 3: Cross multiply
    136,945,048.14x = 188,873,972.06 × 120,389,775.26
  4. Step 4: Simplify right side
    136,945,048.14x = 22,738,495,047,220,600
  5. Step 5: Solve for x
    x = 22,738,495,047,220,600/136,945,048.14
  6. Step 6: Final answer
    x = 166,041,016.86

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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.