Home / 81,353,577.20-122,016,873.62-26,766,828.32

Finding the Fourth Proportional to 81,353,577.20, 122,016,873.62 and 26,766,828.32

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Solution

The fourth proportional to 81,353,577.20, 122,016,873.62 and 26,766,828.32 is: 40,145,803.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,353,577.20 : 122,016,873.62 = 26,766,828.32 : x
  2. Step 2: Convert to fraction form
    81,353,577.20/122,016,873.62 = 26,766,828.32/x
  3. Step 3: Cross multiply
    81,353,577.20x = 122,016,873.62 × 26,766,828.32
  4. Step 4: Simplify right side
    81,353,577.20x = 3,266,004,707,786,510
  5. Step 5: Solve for x
    x = 3,266,004,707,786,510/81,353,577.20
  6. Step 6: Final answer
    x = 40,145,803.30

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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.