Home / 82,366,016.94-113,668,140.51-49,764,670.38

Finding the Fourth Proportional to 82,366,016.94, 113,668,140.51 and 49,764,670.38

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Solution

The fourth proportional to 82,366,016.94, 113,668,140.51 and 49,764,670.38 is: 68,677,080.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,366,016.94 : 113,668,140.51 = 49,764,670.38 : x
  2. Step 2: Convert to fraction form
    82,366,016.94/113,668,140.51 = 49,764,670.38/x
  3. Step 3: Cross multiply
    82,366,016.94x = 113,668,140.51 × 49,764,670.38
  4. Step 4: Simplify right side
    82,366,016.94x = 5,656,657,545,187,676
  5. Step 5: Solve for x
    x = 5,656,657,545,187,676/82,366,016.94
  6. Step 6: Final answer
    x = 68,677,080.13

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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.