Home / 82,366,018.94-113,668,143.27-49,764,672.38

Finding the Fourth Proportional to 82,366,018.94, 113,668,143.27 and 49,764,672.38

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Solution

The fourth proportional to 82,366,018.94, 113,668,143.27 and 49,764,672.38 is: 68,677,082.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,366,018.94 : 113,668,143.27 = 49,764,672.38 : x
  2. Step 2: Convert to fraction form
    82,366,018.94/113,668,143.27 = 49,764,672.38/x
  3. Step 3: Cross multiply
    82,366,018.94x = 113,668,143.27 × 49,764,672.38
  4. Step 4: Simplify right side
    82,366,018.94x = 5,656,657,909,874,452
  5. Step 5: Solve for x
    x = 5,656,657,909,874,452/82,366,018.94
  6. Step 6: Final answer
    x = 68,677,082.89

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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.