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Finding the Fourth Proportional to 201,485,429.60, 301,724,259.60 and 161,174,645.60

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Solution

The fourth proportional to 201,485,429.60, 301,724,259.60 and 161,174,645.60 is: 241,358,894.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,485,429.60 : 301,724,259.60 = 161,174,645.60 : x
  2. Step 2: Convert to fraction form
    201,485,429.60/301,724,259.60 = 161,174,645.60/x
  3. Step 3: Cross multiply
    201,485,429.60x = 301,724,259.60 × 161,174,645.60
  4. Step 4: Simplify right side
    201,485,429.60x = 48,630,300,609,952,400
  5. Step 5: Solve for x
    x = 48,630,300,609,952,400/201,485,429.60
  6. Step 6: Final answer
    x = 241,358,894.82

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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.