Home / 111,780,479.45-167,742,463.78-54,241,362.38

Finding the Fourth Proportional to 111,780,479.45, 167,742,463.78 and 54,241,362.38

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Solution

The fourth proportional to 111,780,479.45, 167,742,463.78 and 54,241,362.38 is: 81,396,857.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,780,479.45 : 167,742,463.78 = 54,241,362.38 : x
  2. Step 2: Convert to fraction form
    111,780,479.45/167,742,463.78 = 54,241,362.38/x
  3. Step 3: Cross multiply
    111,780,479.45x = 167,742,463.78 × 54,241,362.38
  4. Step 4: Simplify right side
    111,780,479.45x = 9,098,579,764,892,162
  5. Step 5: Solve for x
    x = 9,098,579,764,892,162/111,780,479.45
  6. Step 6: Final answer
    x = 81,396,857.57

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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.