Home / 144,753,813.20-217,162,212.60-47,693,003.60

Finding the Fourth Proportional to 144,753,813.20, 217,162,212.60 and 47,693,003.60

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Solution

The fourth proportional to 144,753,813.20, 217,162,212.60 and 47,693,003.60 is: 71,549,881.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,753,813.20 : 217,162,212.60 = 47,693,003.60 : x
  2. Step 2: Convert to fraction form
    144,753,813.20/217,162,212.60 = 47,693,003.60/x
  3. Step 3: Cross multiply
    144,753,813.20x = 217,162,212.60 × 47,693,003.60
  4. Step 4: Simplify right side
    144,753,813.20x = 10,357,118,187,315,766
  5. Step 5: Solve for x
    x = 10,357,118,187,315,766/144,753,813.20
  6. Step 6: Final answer
    x = 71,549,881.54

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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.