Home / 169,151,912.20-253,727,868.30-115,404,200.20

Finding the Fourth Proportional to 169,151,912.20, 253,727,868.30 and 115,404,200.20

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Solution

The fourth proportional to 169,151,912.20, 253,727,868.30 and 115,404,200.20 is: 173,106,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,151,912.20 : 253,727,868.30 = 115,404,200.20 : x
  2. Step 2: Convert to fraction form
    169,151,912.20/253,727,868.30 = 115,404,200.20/x
  3. Step 3: Cross multiply
    169,151,912.20x = 253,727,868.30 × 115,404,200.20
  4. Step 4: Simplify right side
    169,151,912.20x = 29,281,261,709,612,436
  5. Step 5: Solve for x
    x = 29,281,261,709,612,436/169,151,912.20
  6. Step 6: Final answer
    x = 173,106,300.30

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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.