Home / 81,082,485.18-121,644,459.51-23,574,756.33

Finding the Fourth Proportional to 81,082,485.18, 121,644,459.51 and 23,574,756.33

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Solution

The fourth proportional to 81,082,485.18, 121,644,459.51 and 23,574,756.33 is: 35,368,162.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,082,485.18 : 121,644,459.51 = 23,574,756.33 : x
  2. Step 2: Convert to fraction form
    81,082,485.18/121,644,459.51 = 23,574,756.33/x
  3. Step 3: Cross multiply
    81,082,485.18x = 121,644,459.51 × 23,574,756.33
  4. Step 4: Simplify right side
    81,082,485.18x = 2,867,738,491,842,801
  5. Step 5: Solve for x
    x = 2,867,738,491,842,801/81,082,485.18
  6. Step 6: Final answer
    x = 35,368,162.25

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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.