Home / 81,082,553.40-121,644,561.60-23,574,824.32

Finding the Fourth Proportional to 81,082,553.40, 121,644,561.60 and 23,574,824.32

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Solution

The fourth proportional to 81,082,553.40, 121,644,561.60 and 23,574,824.32 is: 35,368,264.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,082,553.40 : 121,644,561.60 = 23,574,824.32 : x
  2. Step 2: Convert to fraction form
    81,082,553.40/121,644,561.60 = 23,574,824.32/x
  3. Step 3: Cross multiply
    81,082,553.40x = 121,644,561.60 × 23,574,824.32
  4. Step 4: Simplify right side
    81,082,553.40x = 2,867,749,169,203,418
  5. Step 5: Solve for x
    x = 2,867,749,169,203,418/81,082,553.40
  6. Step 6: Final answer
    x = 35,368,264.18

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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.