Home / 82,192,537.40-113,382,698.78-50,820,557.98

Finding the Fourth Proportional to 82,192,537.40, 113,382,698.78 and 50,820,557.98

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Solution

The fourth proportional to 82,192,537.40, 113,382,698.78 and 50,820,557.98 is: 70,105,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,192,537.40 : 113,382,698.78 = 50,820,557.98 : x
  2. Step 2: Convert to fraction form
    82,192,537.40/113,382,698.78 = 50,820,557.98/x
  3. Step 3: Cross multiply
    82,192,537.40x = 113,382,698.78 × 50,820,557.98
  4. Step 4: Simplify right side
    82,192,537.40x = 5,762,172,017,277,865
  5. Step 5: Solve for x
    x = 5,762,172,017,277,865/82,192,537.40
  6. Step 6: Final answer
    x = 70,105,780.88

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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.