Home / 310,856,233.43-428,826,736.45-185,319,972.37

Finding the Fourth Proportional to 310,856,233.43, 428,826,736.45 and 185,319,972.37

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Solution

The fourth proportional to 310,856,233.43, 428,826,736.45 and 185,319,972.37 is: 255,649,237.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,856,233.43 : 428,826,736.45 = 185,319,972.37 : x
  2. Step 2: Convert to fraction form
    310,856,233.43/428,826,736.45 = 185,319,972.37/x
  3. Step 3: Cross multiply
    310,856,233.43x = 428,826,736.45 × 185,319,972.37
  4. Step 4: Simplify right side
    310,856,233.43x = 79,470,158,950,678,208
  5. Step 5: Solve for x
    x = 79,470,158,950,678,208/310,856,233.43
  6. Step 6: Final answer
    x = 255,649,237.19

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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.