Home / 201,302,051.70-301,953,077.55-120,481,418.10

Finding the Fourth Proportional to 201,302,051.70, 301,953,077.55 and 120,481,418.10

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Solution

The fourth proportional to 201,302,051.70, 301,953,077.55 and 120,481,418.10 is: 180,722,127.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,302,051.70 : 301,953,077.55 = 120,481,418.10 : x
  2. Step 2: Convert to fraction form
    201,302,051.70/301,953,077.55 = 120,481,418.10/x
  3. Step 3: Cross multiply
    201,302,051.70x = 301,953,077.55 × 120,481,418.10
  4. Step 4: Simplify right side
    201,302,051.70x = 36,379,734,982,883,272
  5. Step 5: Solve for x
    x = 36,379,734,982,883,272/201,302,051.70
  6. Step 6: Final answer
    x = 180,722,127.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.