Home / 129,961,603.20-194,942,404.80-101,051,212.80

Finding the Fourth Proportional to 129,961,603.20, 194,942,404.80 and 101,051,212.80

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Solution

The fourth proportional to 129,961,603.20, 194,942,404.80 and 101,051,212.80 is: 151,576,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,961,603.20 : 194,942,404.80 = 101,051,212.80 : x
  2. Step 2: Convert to fraction form
    129,961,603.20/194,942,404.80 = 101,051,212.80/x
  3. Step 3: Cross multiply
    129,961,603.20x = 194,942,404.80 × 101,051,212.80
  4. Step 4: Simplify right side
    129,961,603.20x = 19,699,166,431,188,544
  5. Step 5: Solve for x
    x = 19,699,166,431,188,544/129,961,603.20
  6. Step 6: Final answer
    x = 151,576,819.20

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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.