Home / 76,161,435.63-114,240,824.74-18,654,205.02

Finding the Fourth Proportional to 76,161,435.63, 114,240,824.74 and 18,654,205.02

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Solution

The fourth proportional to 76,161,435.63, 114,240,824.74 and 18,654,205.02 is: 27,980,982.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,161,435.63 : 114,240,824.74 = 18,654,205.02 : x
  2. Step 2: Convert to fraction form
    76,161,435.63/114,240,824.74 = 18,654,205.02/x
  3. Step 3: Cross multiply
    76,161,435.63x = 114,240,824.74 × 18,654,205.02
  4. Step 4: Simplify right side
    76,161,435.63x = 2,131,071,766,353,848
  5. Step 5: Solve for x
    x = 2,131,071,766,353,848/76,161,435.63
  6. Step 6: Final answer
    x = 27,980,982.09

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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.