Home / 190,253,477.10-262,553,238.27-107,764,332.78

Finding the Fourth Proportional to 190,253,477.10, 262,553,238.27 and 107,764,332.78

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Solution

The fourth proportional to 190,253,477.10, 262,553,238.27 and 107,764,332.78 is: 148,716,727.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,253,477.10 : 262,553,238.27 = 107,764,332.78 : x
  2. Step 2: Convert to fraction form
    190,253,477.10/262,553,238.27 = 107,764,332.78/x
  3. Step 3: Cross multiply
    190,253,477.10x = 262,553,238.27 × 107,764,332.78
  4. Step 4: Simplify right side
    190,253,477.10x = 28,293,874,541,394,912
  5. Step 5: Solve for x
    x = 28,293,874,541,394,912/190,253,477.10
  6. Step 6: Final answer
    x = 148,716,727.67

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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.