Home / 120,383,731.03-166,130,525.07-65,379,981.19

Finding the Fourth Proportional to 120,383,731.03, 166,130,525.07 and 65,379,981.19

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Solution

The fourth proportional to 120,383,731.03, 166,130,525.07 and 65,379,981.19 is: 90,224,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,383,731.03 : 166,130,525.07 = 65,379,981.19 : x
  2. Step 2: Convert to fraction form
    120,383,731.03/166,130,525.07 = 65,379,981.19/x
  3. Step 3: Cross multiply
    120,383,731.03x = 166,130,525.07 × 65,379,981.19
  4. Step 4: Simplify right side
    120,383,731.03x = 10,861,610,604,161,422
  5. Step 5: Solve for x
    x = 10,861,610,604,161,422/120,383,731.03
  6. Step 6: Final answer
    x = 90,224,904.24

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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.