Home / 81,353,577.57-122,016,874.19-26,766,828.69

Finding the Fourth Proportional to 81,353,577.57, 122,016,874.19 and 26,766,828.69

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Solution

The fourth proportional to 81,353,577.57, 122,016,874.19 and 26,766,828.69 is: 40,145,803.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,353,577.57 : 122,016,874.19 = 26,766,828.69 : x
  2. Step 2: Convert to fraction form
    81,353,577.57/122,016,874.19 = 26,766,828.69/x
  3. Step 3: Cross multiply
    81,353,577.57x = 122,016,874.19 × 26,766,828.69
  4. Step 4: Simplify right side
    81,353,577.57x = 3,266,004,768,599,178.50
  5. Step 5: Solve for x
    x = 3,266,004,768,599,178.50/81,353,577.57
  6. Step 6: Final answer
    x = 40,145,803.86

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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.