Home / 178,945,215.30-268,415,126.10-80,507,404.89

Finding the Fourth Proportional to 178,945,215.30, 268,415,126.10 and 80,507,404.89

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Solution

The fourth proportional to 178,945,215.30, 268,415,126.10 and 80,507,404.89 is: 120,759,894.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,945,215.30 : 268,415,126.10 = 80,507,404.89 : x
  2. Step 2: Convert to fraction form
    178,945,215.30/268,415,126.10 = 80,507,404.89/x
  3. Step 3: Cross multiply
    178,945,215.30x = 268,415,126.10 × 80,507,404.89
  4. Step 4: Simplify right side
    178,945,215.30x = 21,609,405,235,533,108
  5. Step 5: Solve for x
    x = 21,609,405,235,533,108/178,945,215.30
  6. Step 6: Final answer
    x = 120,759,894.02

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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.