Home / 310,194,127.36-428,070,501.12-170,965,245.44

Finding the Fourth Proportional to 310,194,127.36, 428,070,501.12 and 170,965,245.44

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Solution

The fourth proportional to 310,194,127.36, 428,070,501.12 and 170,965,245.44 is: 235,933,474.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,194,127.36 : 428,070,501.12 = 170,965,245.44 : x
  2. Step 2: Convert to fraction form
    310,194,127.36/428,070,501.12 = 170,965,245.44/x
  3. Step 3: Cross multiply
    310,194,127.36x = 428,070,501.12 × 170,965,245.44
  4. Step 4: Simplify right side
    310,194,127.36x = 73,185,178,289,604,592
  5. Step 5: Solve for x
    x = 73,185,178,289,604,592/310,194,127.36
  6. Step 6: Final answer
    x = 235,933,474.67

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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.