Home / 168,531,028.60-252,796,542.90-47,362,480.60

Finding the Fourth Proportional to 168,531,028.60, 252,796,542.90 and 47,362,480.60

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Solution

The fourth proportional to 168,531,028.60, 252,796,542.90 and 47,362,480.60 is: 71,043,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,531,028.60 : 252,796,542.90 = 47,362,480.60 : x
  2. Step 2: Convert to fraction form
    168,531,028.60/252,796,542.90 = 47,362,480.60/x
  3. Step 3: Cross multiply
    168,531,028.60x = 252,796,542.90 × 47,362,480.60
  4. Step 4: Simplify right side
    168,531,028.60x = 11,973,071,358,848,318
  5. Step 5: Solve for x
    x = 11,973,071,358,848,318/168,531,028.60
  6. Step 6: Final answer
    x = 71,043,720.90

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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.