Home / 171,432,079.61-236,578,186.97-100,883,286.86

Finding the Fourth Proportional to 171,432,079.61, 236,578,186.97 and 100,883,286.86

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Solution

The fourth proportional to 171,432,079.61, 236,578,186.97 and 100,883,286.86 is: 139,220,064.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,432,079.61 : 236,578,186.97 = 100,883,286.86 : x
  2. Step 2: Convert to fraction form
    171,432,079.61/236,578,186.97 = 100,883,286.86/x
  3. Step 3: Cross multiply
    171,432,079.61x = 236,578,186.97 × 100,883,286.86
  4. Step 4: Simplify right side
    171,432,079.61x = 23,866,785,099,225,920
  5. Step 5: Solve for x
    x = 23,866,785,099,225,920/171,432,079.61
  6. Step 6: Final answer
    x = 139,220,064.03

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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.