Home / 133,819,328.76-200,728,716.96-75,500,532.86

Finding the Fourth Proportional to 133,819,328.76, 200,728,716.96 and 75,500,532.86

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Solution

The fourth proportional to 133,819,328.76, 200,728,716.96 and 75,500,532.86 is: 113,250,643.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,819,328.76 : 200,728,716.96 = 75,500,532.86 : x
  2. Step 2: Convert to fraction form
    133,819,328.76/200,728,716.96 = 75,500,532.86/x
  3. Step 3: Cross multiply
    133,819,328.76x = 200,728,716.96 × 75,500,532.86
  4. Step 4: Simplify right side
    133,819,328.76x = 15,155,125,090,784,120
  5. Step 5: Solve for x
    x = 15,155,125,090,784,120/133,819,328.76
  6. Step 6: Final answer
    x = 113,250,643.47

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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.