Home / 245,134,391.40-338,282,708.46-133,622,790.68

Finding the Fourth Proportional to 245,134,391.40, 338,282,708.46 and 133,622,790.68

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Solution

The fourth proportional to 245,134,391.40, 338,282,708.46 and 133,622,790.68 is: 184,397,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,134,391.40 : 338,282,708.46 = 133,622,790.68 : x
  2. Step 2: Convert to fraction form
    245,134,391.40/338,282,708.46 = 133,622,790.68/x
  3. Step 3: Cross multiply
    245,134,391.40x = 338,282,708.46 × 133,622,790.68
  4. Step 4: Simplify right side
    245,134,391.40x = 45,202,279,543,214,048
  5. Step 5: Solve for x
    x = 45,202,279,543,214,048/245,134,391.40
  6. Step 6: Final answer
    x = 184,397,951.20

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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.