Home / 81,400,433.76-122,119,536.75-26,811,060.27

Finding the Fourth Proportional to 81,400,433.76, 122,119,536.75 and 26,811,060.27

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Solution

The fourth proportional to 81,400,433.76, 122,119,536.75 and 26,811,060.27 is: 40,222,810.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,400,433.76 : 122,119,536.75 = 26,811,060.27 : x
  2. Step 2: Convert to fraction form
    81,400,433.76/122,119,536.75 = 26,811,060.27/x
  3. Step 3: Cross multiply
    81,400,433.76x = 122,119,536.75 × 26,811,060.27
  4. Step 4: Simplify right side
    81,400,433.76x = 3,274,154,259,948,730
  5. Step 5: Solve for x
    x = 3,274,154,259,948,730/81,400,433.76
  6. Step 6: Final answer
    x = 40,222,810.97

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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.