Home / 76,172,049.12-105,117,099.12-41,364,452.64

Finding the Fourth Proportional to 76,172,049.12, 105,117,099.12 and 41,364,452.64

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Solution

The fourth proportional to 76,172,049.12, 105,117,099.12 and 41,364,452.64 is: 57,082,766.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,172,049.12 : 105,117,099.12 = 41,364,452.64 : x
  2. Step 2: Convert to fraction form
    76,172,049.12/105,117,099.12 = 41,364,452.64/x
  3. Step 3: Cross multiply
    76,172,049.12x = 105,117,099.12 × 41,364,452.64
  4. Step 4: Simplify right side
    76,172,049.12x = 4,348,111,268,203,426
  5. Step 5: Solve for x
    x = 4,348,111,268,203,426/76,172,049.12
  6. Step 6: Final answer
    x = 57,082,766.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.