Home / 191,122,649.84-263,771,648.16-108,628,834.88

Finding the Fourth Proportional to 191,122,649.84, 263,771,648.16 and 108,628,834.88

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Solution

The fourth proportional to 191,122,649.84, 263,771,648.16 and 108,628,834.88 is: 149,920,518.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,122,649.84 : 263,771,648.16 = 108,628,834.88 : x
  2. Step 2: Convert to fraction form
    191,122,649.84/263,771,648.16 = 108,628,834.88/x
  3. Step 3: Cross multiply
    191,122,649.84x = 263,771,648.16 × 108,628,834.88
  4. Step 4: Simplify right side
    191,122,649.84x = 28,653,206,813,998,096
  5. Step 5: Solve for x
    x = 28,653,206,813,998,096/191,122,649.84
  6. Step 6: Final answer
    x = 149,920,518.78

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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.