Home / 82,358,163.69-113,656,357.56-45,188,434.07

Finding the Fourth Proportional to 82,358,163.69, 113,656,357.56 and 45,188,434.07

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Solution

The fourth proportional to 82,358,163.69, 113,656,357.56 and 45,188,434.07 is: 62,361,186.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,358,163.69 : 113,656,357.56 = 45,188,434.07 : x
  2. Step 2: Convert to fraction form
    82,358,163.69/113,656,357.56 = 45,188,434.07/x
  3. Step 3: Cross multiply
    82,358,163.69x = 113,656,357.56 × 45,188,434.07
  4. Step 4: Simplify right side
    82,358,163.69x = 5,135,952,819,668,124
  5. Step 5: Solve for x
    x = 5,135,952,819,668,124/82,358,163.69
  6. Step 6: Final answer
    x = 62,361,186.67

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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.