Home / 135,451,909.85-203,262,895.33-126,736,277.45

Finding the Fourth Proportional to 135,451,909.85, 203,262,895.33 and 126,736,277.45

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Solution

The fourth proportional to 135,451,909.85, 203,262,895.33 and 126,736,277.45 is: 190,183,975.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,451,909.85 : 203,262,895.33 = 126,736,277.45 : x
  2. Step 2: Convert to fraction form
    135,451,909.85/203,262,895.33 = 126,736,277.45/x
  3. Step 3: Cross multiply
    135,451,909.85x = 203,262,895.33 × 126,736,277.45
  4. Step 4: Simplify right side
    135,451,909.85x = 25,760,782,696,183,192
  5. Step 5: Solve for x
    x = 25,760,782,696,183,192/135,451,909.85
  6. Step 6: Final answer
    x = 190,183,975.45

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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.