Home / 450,157,069.28-675,141,125.52-126,965,358.56

Finding the Fourth Proportional to 450,157,069.28, 675,141,125.52 and 126,965,358.56

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Solution

The fourth proportional to 450,157,069.28, 675,141,125.52 and 126,965,358.56 is: 190,421,390.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,157,069.28 : 675,141,125.52 = 126,965,358.56 : x
  2. Step 2: Convert to fraction form
    450,157,069.28/675,141,125.52 = 126,965,358.56/x
  3. Step 3: Cross multiply
    450,157,069.28x = 675,141,125.52 × 126,965,358.56
  4. Step 4: Simplify right side
    450,157,069.28x = 85,719,535,082,414,000
  5. Step 5: Solve for x
    x = 85,719,535,082,414,000/450,157,069.28
  6. Step 6: Final answer
    x = 190,421,390.51

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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.