Home / 120,383,732.03-166,130,526.45-65,379,982.19

Finding the Fourth Proportional to 120,383,732.03, 166,130,526.45 and 65,379,982.19

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Solution

The fourth proportional to 120,383,732.03, 166,130,526.45 and 65,379,982.19 is: 90,224,905.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,383,732.03 : 166,130,526.45 = 65,379,982.19 : x
  2. Step 2: Convert to fraction form
    120,383,732.03/166,130,526.45 = 65,379,982.19/x
  3. Step 3: Cross multiply
    120,383,732.03x = 166,130,526.45 × 65,379,982.19
  4. Step 4: Simplify right side
    120,383,732.03x = 10,861,610,860,516,322
  5. Step 5: Solve for x
    x = 10,861,610,860,516,322/120,383,732.03
  6. Step 6: Final answer
    x = 90,224,905.62

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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.