Home / 81,761,247.84-122,674,589.28-33,242,831.04

Finding the Fourth Proportional to 81,761,247.84, 122,674,589.28 and 33,242,831.04

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Solution

The fourth proportional to 81,761,247.84, 122,674,589.28 and 33,242,831.04 is: 49,877,548.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,761,247.84 : 122,674,589.28 = 33,242,831.04 : x
  2. Step 2: Convert to fraction form
    81,761,247.84/122,674,589.28 = 33,242,831.04/x
  3. Step 3: Cross multiply
    81,761,247.84x = 122,674,589.28 × 33,242,831.04
  4. Step 4: Simplify right side
    81,761,247.84x = 4,078,050,644,336,435
  5. Step 5: Solve for x
    x = 4,078,050,644,336,435/81,761,247.84
  6. Step 6: Final answer
    x = 49,877,548.99

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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.