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Finding the Fourth Proportional to 29,892,912.30, 44,839,368.45 and 29,640,969.90

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Solution

The fourth proportional to 29,892,912.30, 44,839,368.45 and 29,640,969.90 is: 44,461,454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,892,912.30 : 44,839,368.45 = 29,640,969.90 : x
  2. Step 2: Convert to fraction form
    29,892,912.30/44,839,368.45 = 29,640,969.90/x
  3. Step 3: Cross multiply
    29,892,912.30x = 44,839,368.45 × 29,640,969.90
  4. Step 4: Simplify right side
    29,892,912.30x = 1,329,082,370,561,459.75
  5. Step 5: Solve for x
    x = 1,329,082,370,561,459.75/29,892,912.30
  6. Step 6: Final answer
    x = 44,461,454.85

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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.