Home / 57,474,262.71-86,222,751.08-21,082,990.95

Finding the Fourth Proportional to 57,474,262.71, 86,222,751.08 and 21,082,990.95

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Solution

The fourth proportional to 57,474,262.71, 86,222,751.08 and 21,082,990.95 is: 31,628,652.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,474,262.71 : 86,222,751.08 = 21,082,990.95 : x
  2. Step 2: Convert to fraction form
    57,474,262.71/86,222,751.08 = 21,082,990.95/x
  3. Step 3: Cross multiply
    57,474,262.71x = 86,222,751.08 × 21,082,990.95
  4. Step 4: Simplify right side
    57,474,262.71x = 1,817,833,480,598,327.75
  5. Step 5: Solve for x
    x = 1,817,833,480,598,327.75/57,474,262.71
  6. Step 6: Final answer
    x = 31,628,652.46

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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.