Home / 120,383,746.26-166,130,546.12-65,379,996.42

Finding the Fourth Proportional to 120,383,746.26, 166,130,546.12 and 65,379,996.42

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Solution

The fourth proportional to 120,383,746.26, 166,130,546.12 and 65,379,996.42 is: 90,224,925.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,383,746.26 : 166,130,546.12 = 65,379,996.42 : x
  2. Step 2: Convert to fraction form
    120,383,746.26/166,130,546.12 = 65,379,996.42/x
  3. Step 3: Cross multiply
    120,383,746.26x = 166,130,546.12 × 65,379,996.42
  4. Step 4: Simplify right side
    120,383,746.26x = 10,861,614,510,578,246
  5. Step 5: Solve for x
    x = 10,861,614,510,578,246/120,383,746.26
  6. Step 6: Final answer
    x = 90,224,925.27

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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.