Home / 49,537,310.40-74,305,965.60-42,203,424.60

Finding the Fourth Proportional to 49,537,310.40, 74,305,965.60 and 42,203,424.60

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Solution

The fourth proportional to 49,537,310.40, 74,305,965.60 and 42,203,424.60 is: 63,305,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,537,310.40 : 74,305,965.60 = 42,203,424.60 : x
  2. Step 2: Convert to fraction form
    49,537,310.40/74,305,965.60 = 42,203,424.60/x
  3. Step 3: Cross multiply
    49,537,310.40x = 74,305,965.60 × 42,203,424.60
  4. Step 4: Simplify right side
    49,537,310.40x = 3,135,966,216,529,793.50
  5. Step 5: Solve for x
    x = 3,135,966,216,529,793.50/49,537,310.40
  6. Step 6: Final answer
    x = 63,305,136.90

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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.