Home / 305,421,256.56-421,477,791.12-166,189,619.52

Finding the Fourth Proportional to 305,421,256.56, 421,477,791.12 and 166,189,619.52

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Solution

The fourth proportional to 305,421,256.56, 421,477,791.12 and 166,189,619.52 is: 229,339,747.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,421,256.56 : 421,477,791.12 = 166,189,619.52 : x
  2. Step 2: Convert to fraction form
    305,421,256.56/421,477,791.12 = 166,189,619.52/x
  3. Step 3: Cross multiply
    305,421,256.56x = 421,477,791.12 × 166,189,619.52
  4. Step 4: Simplify right side
    305,421,256.56x = 70,045,233,742,362,840
  5. Step 5: Solve for x
    x = 70,045,233,742,362,840/305,421,256.56
  6. Step 6: Final answer
    x = 229,339,747.11

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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.