Home / 49,809,330.48-74,728,463.04-20,657,823.60

Finding the Fourth Proportional to 49,809,330.48, 74,728,463.04 and 20,657,823.60

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Solution

The fourth proportional to 49,809,330.48, 74,728,463.04 and 20,657,823.60 is: 30,992,735.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,809,330.48 : 74,728,463.04 = 20,657,823.60 : x
  2. Step 2: Convert to fraction form
    49,809,330.48/74,728,463.04 = 20,657,823.60/x
  3. Step 3: Cross multiply
    49,809,330.48x = 74,728,463.04 × 20,657,823.60
  4. Step 4: Simplify right side
    49,809,330.48x = 1,543,727,407,379,440
  5. Step 5: Solve for x
    x = 1,543,727,407,379,440/49,809,330.48
  6. Step 6: Final answer
    x = 30,992,735.55

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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.