Home / 70,394,288.96-96,998,468.64-56,587,845.44

Finding the Fourth Proportional to 70,394,288.96, 96,998,468.64 and 56,587,845.44

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Solution

The fourth proportional to 70,394,288.96, 96,998,468.64 and 56,587,845.44 is: 77,974,142.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,394,288.96 : 96,998,468.64 = 56,587,845.44 : x
  2. Step 2: Convert to fraction form
    70,394,288.96/96,998,468.64 = 56,587,845.44/x
  3. Step 3: Cross multiply
    70,394,288.96x = 96,998,468.64 × 56,587,845.44
  4. Step 4: Simplify right side
    70,394,288.96x = 5,488,934,351,317,007
  5. Step 5: Solve for x
    x = 5,488,934,351,317,007/70,394,288.96
  6. Step 6: Final answer
    x = 77,974,142.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.