Home / 77,231,855,743.40-115,785,267,200.72-24,145,563,238.18

Finding the Fourth Proportional to 77,231,855,743.40, 115,785,267,200.72 and 24,145,563,238.18

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Solution

The fourth proportional to 77,231,855,743.40, 115,785,267,200.72 and 24,145,563,238.18 is: 36,198,799,890.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,231,855,743.40 : 115,785,267,200.72 = 24,145,563,238.18 : x
  2. Step 2: Convert to fraction form
    77,231,855,743.40/115,785,267,200.72 = 24,145,563,238.18/x
  3. Step 3: Cross multiply
    77,231,855,743.40x = 115,785,267,200.72 × 24,145,563,238.18
  4. Step 4: Simplify right side
    77,231,855,743.40x = 2,795,700,491,244,553,633,792
  5. Step 5: Solve for x
    x = 2,795,700,491,244,553,633,792/77,231,855,743.40
  6. Step 6: Final answer
    x = 36,198,799,890.72

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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.