Home / 123,876,527.04-170,959,183.20-74,318,757.12

Finding the Fourth Proportional to 123,876,527.04, 170,959,183.20 and 74,318,757.12

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Solution

The fourth proportional to 123,876,527.04, 170,959,183.20 and 74,318,757.12 is: 102,565,629.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,876,527.04 : 170,959,183.20 = 74,318,757.12 : x
  2. Step 2: Convert to fraction form
    123,876,527.04/170,959,183.20 = 74,318,757.12/x
  3. Step 3: Cross multiply
    123,876,527.04x = 170,959,183.20 × 74,318,757.12
  4. Step 4: Simplify right side
    123,876,527.04x = 12,705,474,013,674,384
  5. Step 5: Solve for x
    x = 12,705,474,013,674,384/123,876,527.04
  6. Step 6: Final answer
    x = 102,565,629.80

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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.