Home / 80,170,935.36-120,341,442.06-71,008,388.34

Finding the Fourth Proportional to 80,170,935.36, 120,341,442.06 and 71,008,388.34

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Solution

The fourth proportional to 80,170,935.36, 120,341,442.06 and 71,008,388.34 is: 106,587,902.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,170,935.36 : 120,341,442.06 = 71,008,388.34 : x
  2. Step 2: Convert to fraction form
    80,170,935.36/120,341,442.06 = 71,008,388.34/x
  3. Step 3: Cross multiply
    80,170,935.36x = 120,341,442.06 × 71,008,388.34
  4. Step 4: Simplify right side
    80,170,935.36x = 8,545,251,851,192,090
  5. Step 5: Solve for x
    x = 8,545,251,851,192,090/80,170,935.36
  6. Step 6: Final answer
    x = 106,587,902.62

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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.