Home / 305,193,831.28-421,170,486.24-165,967,618.48

Finding the Fourth Proportional to 305,193,831.28, 421,170,486.24 and 165,967,618.48

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Solution

The fourth proportional to 305,193,831.28, 421,170,486.24 and 165,967,618.48 is: 229,036,944.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,193,831.28 : 421,170,486.24 = 165,967,618.48 : x
  2. Step 2: Convert to fraction form
    305,193,831.28/421,170,486.24 = 165,967,618.48/x
  3. Step 3: Cross multiply
    305,193,831.28x = 421,170,486.24 × 165,967,618.48
  4. Step 4: Simplify right side
    305,193,831.28x = 69,900,662,575,316,408
  5. Step 5: Solve for x
    x = 69,900,662,575,316,408/305,193,831.28
  6. Step 6: Final answer
    x = 229,036,944.43

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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.