Home / 172,811,077.20-259,216,615.80-114,698,003.85

Finding the Fourth Proportional to 172,811,077.20, 259,216,615.80 and 114,698,003.85

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Solution

The fourth proportional to 172,811,077.20, 259,216,615.80 and 114,698,003.85 is: 172,047,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,811,077.20 : 259,216,615.80 = 114,698,003.85 : x
  2. Step 2: Convert to fraction form
    172,811,077.20/259,216,615.80 = 114,698,003.85/x
  3. Step 3: Cross multiply
    172,811,077.20x = 259,216,615.80 × 114,698,003.85
  4. Step 4: Simplify right side
    172,811,077.20x = 29,731,628,397,012,372
  5. Step 5: Solve for x
    x = 29,731,628,397,012,372/172,811,077.20
  6. Step 6: Final answer
    x = 172,047,005.78

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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.