Home / 47,618,643.20-71,444,553.60-20,711,609.60

Finding the Fourth Proportional to 47,618,643.20, 71,444,553.60 and 20,711,609.60

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Solution

The fourth proportional to 47,618,643.20, 71,444,553.60 and 20,711,609.60 is: 31,074,629.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,618,643.20 : 71,444,553.60 = 20,711,609.60 : x
  2. Step 2: Convert to fraction form
    47,618,643.20/71,444,553.60 = 20,711,609.60/x
  3. Step 3: Cross multiply
    47,618,643.20x = 71,444,553.60 × 20,711,609.60
  4. Step 4: Simplify right side
    47,618,643.20x = 1,479,731,702,209,474.50
  5. Step 5: Solve for x
    x = 1,479,731,702,209,474.50/47,618,643.20
  6. Step 6: Final answer
    x = 31,074,629.66

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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.