Home / 49,930,728.40-74,896,092.60-30,699,125.20

Finding the Fourth Proportional to 49,930,728.40, 74,896,092.60 and 30,699,125.20

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Solution

The fourth proportional to 49,930,728.40, 74,896,092.60 and 30,699,125.20 is: 46,048,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,930,728.40 : 74,896,092.60 = 30,699,125.20 : x
  2. Step 2: Convert to fraction form
    49,930,728.40/74,896,092.60 = 30,699,125.20/x
  3. Step 3: Cross multiply
    49,930,728.40x = 74,896,092.60 × 30,699,125.20
  4. Step 4: Simplify right side
    49,930,728.40x = 2,299,244,523,718,193.50
  5. Step 5: Solve for x
    x = 2,299,244,523,718,193.50/49,930,728.40
  6. Step 6: Final answer
    x = 46,048,687.80

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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.