Home / 207,221,604.88-285,964,334.23-113,135,748.91

Finding the Fourth Proportional to 207,221,604.88, 285,964,334.23 and 113,135,748.91

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Solution

The fourth proportional to 207,221,604.88, 285,964,334.23 and 113,135,748.91 is: 156,126,525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,221,604.88 : 285,964,334.23 = 113,135,748.91 : x
  2. Step 2: Convert to fraction form
    207,221,604.88/285,964,334.23 = 113,135,748.91/x
  3. Step 3: Cross multiply
    207,221,604.88x = 285,964,334.23 × 113,135,748.91
  4. Step 4: Simplify right side
    207,221,604.88x = 32,352,789,112,665,100
  5. Step 5: Solve for x
    x = 32,352,789,112,665,100/207,221,604.88
  6. Step 6: Final answer
    x = 156,126,525.18

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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.