Home / 54,380,670.92-81,570,207.14-13,440,113.58

Finding the Fourth Proportional to 54,380,670.92, 81,570,207.14 and 13,440,113.58

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Solution

The fourth proportional to 54,380,670.92, 81,570,207.14 and 13,440,113.58 is: 20,159,972.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,380,670.92 : 81,570,207.14 = 13,440,113.58 : x
  2. Step 2: Convert to fraction form
    54,380,670.92/81,570,207.14 = 13,440,113.58/x
  3. Step 3: Cross multiply
    54,380,670.92x = 81,570,207.14 × 13,440,113.58
  4. Step 4: Simplify right side
    54,380,670.92x = 1,096,312,848,526,507.38
  5. Step 5: Solve for x
    x = 1,096,312,848,526,507.38/54,380,670.92
  6. Step 6: Final answer
    x = 20,159,972.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.