Home / 140,902,228.08-194,446,651.14-78,179,461.74

Finding the Fourth Proportional to 140,902,228.08, 194,446,651.14 and 78,179,461.74

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Solution

The fourth proportional to 140,902,228.08, 194,446,651.14 and 78,179,461.74 is: 107,888,531.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,902,228.08 : 194,446,651.14 = 78,179,461.74 : x
  2. Step 2: Convert to fraction form
    140,902,228.08/194,446,651.14 = 78,179,461.74/x
  3. Step 3: Cross multiply
    140,902,228.08x = 194,446,651.14 × 78,179,461.74
  4. Step 4: Simplify right side
    140,902,228.08x = 15,201,734,523,270,756
  5. Step 5: Solve for x
    x = 15,201,734,523,270,756/140,902,228.08
  6. Step 6: Final answer
    x = 107,888,531.86

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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.