Home / 81,082,554.40-121,644,563.10-23,574,825.32

Finding the Fourth Proportional to 81,082,554.40, 121,644,563.10 and 23,574,825.32

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Solution

The fourth proportional to 81,082,554.40, 121,644,563.10 and 23,574,825.32 is: 35,368,265.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,082,554.40 : 121,644,563.10 = 23,574,825.32 : x
  2. Step 2: Convert to fraction form
    81,082,554.40/121,644,563.10 = 23,574,825.32/x
  3. Step 3: Cross multiply
    81,082,554.40x = 121,644,563.10 × 23,574,825.32
  4. Step 4: Simplify right side
    81,082,554.40x = 2,867,749,326,210,217.50
  5. Step 5: Solve for x
    x = 2,867,749,326,210,217.50/81,082,554.40
  6. Step 6: Final answer
    x = 35,368,265.68

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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.