Home / 190,656,977.76-263,098,881.27-108,148,991.04

Finding the Fourth Proportional to 190,656,977.76, 263,098,881.27 and 108,148,991.04

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Solution

The fourth proportional to 190,656,977.76, 263,098,881.27 and 108,148,991.04 is: 149,241,212.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,656,977.76 : 263,098,881.27 = 108,148,991.04 : x
  2. Step 2: Convert to fraction form
    190,656,977.76/263,098,881.27 = 108,148,991.04/x
  3. Step 3: Cross multiply
    190,656,977.76x = 263,098,881.27 × 108,148,991.04
  4. Step 4: Simplify right side
    190,656,977.76x = 28,453,878,553,103,256
  5. Step 5: Solve for x
    x = 28,453,878,553,103,256/190,656,977.76
  6. Step 6: Final answer
    x = 149,241,212.61

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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.