Home / 191,122,665.84-263,771,670.24-108,628,850.88

Finding the Fourth Proportional to 191,122,665.84, 263,771,670.24 and 108,628,850.88

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Solution

The fourth proportional to 191,122,665.84, 263,771,670.24 and 108,628,850.88 is: 149,920,540.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,122,665.84 : 263,771,670.24 = 108,628,850.88 : x
  2. Step 2: Convert to fraction form
    191,122,665.84/263,771,670.24 = 108,628,850.88/x
  3. Step 3: Cross multiply
    191,122,665.84x = 263,771,670.24 × 108,628,850.88
  4. Step 4: Simplify right side
    191,122,665.84x = 28,653,213,432,869,492
  5. Step 5: Solve for x
    x = 28,653,213,432,869,492/191,122,665.84
  6. Step 6: Final answer
    x = 149,920,540.86

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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.