Home / 191,028,218.84-263,619,834.90-108,526,530.68

Finding the Fourth Proportional to 191,028,218.84, 263,619,834.90 and 108,526,530.68

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Solution

The fourth proportional to 191,028,218.84, 263,619,834.90 and 108,526,530.68 is: 149,767,119.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,028,218.84 : 263,619,834.90 = 108,526,530.68 : x
  2. Step 2: Convert to fraction form
    191,028,218.84/263,619,834.90 = 108,526,530.68/x
  3. Step 3: Cross multiply
    191,028,218.84x = 263,619,834.90 × 108,526,530.68
  4. Step 4: Simplify right side
    191,028,218.84x = 28,609,746,100,131,388
  5. Step 5: Solve for x
    x = 28,609,746,100,131,388/191,028,218.84
  6. Step 6: Final answer
    x = 149,767,119.61

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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.