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Finding the Fourth Proportional to 201,485,443.60, 301,724,280.60 and 161,174,659.60

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Solution

The fourth proportional to 201,485,443.60, 301,724,280.60 and 161,174,659.60 is: 241,358,915.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,485,443.60 : 301,724,280.60 = 161,174,659.60 : x
  2. Step 2: Convert to fraction form
    201,485,443.60/301,724,280.60 = 161,174,659.60/x
  3. Step 3: Cross multiply
    201,485,443.60x = 301,724,280.60 × 161,174,659.60
  4. Step 4: Simplify right side
    201,485,443.60x = 48,630,308,218,759,888
  5. Step 5: Solve for x
    x = 48,630,308,218,759,888/201,485,443.60
  6. Step 6: Final answer
    x = 241,358,915.81

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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.