Home / 200,863,663.20-301,220,845.20-79,670,037.60

Finding the Fourth Proportional to 200,863,663.20, 301,220,845.20 and 79,670,037.60

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Solution

The fourth proportional to 200,863,663.20, 301,220,845.20 and 79,670,037.60 is: 119,475,447.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,863,663.20 : 301,220,845.20 = 79,670,037.60 : x
  2. Step 2: Convert to fraction form
    200,863,663.20/301,220,845.20 = 79,670,037.60/x
  3. Step 3: Cross multiply
    200,863,663.20x = 301,220,845.20 × 79,670,037.60
  4. Step 4: Simplify right side
    200,863,663.20x = 23,998,276,062,987,776
  5. Step 5: Solve for x
    x = 23,998,276,062,987,776/200,863,663.20
  6. Step 6: Final answer
    x = 119,475,447.58

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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.