Home / 202,129,455.15-303,194,182.73-200,428,843.95

Finding the Fourth Proportional to 202,129,455.15, 303,194,182.73 and 200,428,843.95

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Solution

The fourth proportional to 202,129,455.15, 303,194,182.73 and 200,428,843.95 is: 300,643,265.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,129,455.15 : 303,194,182.73 = 200,428,843.95 : x
  2. Step 2: Convert to fraction form
    202,129,455.15/303,194,182.73 = 200,428,843.95/x
  3. Step 3: Cross multiply
    202,129,455.15x = 303,194,182.73 × 200,428,843.95
  4. Step 4: Simplify right side
    202,129,455.15x = 60,768,859,535,936,808
  5. Step 5: Solve for x
    x = 60,768,859,535,936,808/202,129,455.15
  6. Step 6: Final answer
    x = 300,643,265.93

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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.