Home / 201,527,526.80-278,077,991.55-113,416,269.73

Finding the Fourth Proportional to 201,527,526.80, 278,077,991.55 and 113,416,269.73

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Solution

The fourth proportional to 201,527,526.80, 278,077,991.55 and 113,416,269.73 is: 156,497,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,527,526.80 : 278,077,991.55 = 113,416,269.73 : x
  2. Step 2: Convert to fraction form
    201,527,526.80/278,077,991.55 = 113,416,269.73/x
  3. Step 3: Cross multiply
    201,527,526.80x = 278,077,991.55 × 113,416,269.73
  4. Step 4: Simplify right side
    201,527,526.80x = 31,538,568,494,221,072
  5. Step 5: Solve for x
    x = 31,538,568,494,221,072/201,527,526.80
  6. Step 6: Final answer
    x = 156,497,571.30

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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.