Home / 61,894,392.96-85,378,687.68-38,649,168

Finding the Fourth Proportional to 61,894,392.96, 85,378,687.68 and 38,649,168

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Solution

The fourth proportional to 61,894,392.96, 85,378,687.68 and 38,649,168 is: 53,313,637.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,894,392.96 : 85,378,687.68 = 38,649,168 : x
  2. Step 2: Convert to fraction form
    61,894,392.96/85,378,687.68 = 38,649,168/x
  3. Step 3: Cross multiply
    61,894,392.96x = 85,378,687.68 × 38,649,168
  4. Step 4: Simplify right side
    61,894,392.96x = 3,299,815,243,763,850.50
  5. Step 5: Solve for x
    x = 3,299,815,243,763,850.50/61,894,392.96
  6. Step 6: Final answer
    x = 53,313,637.73

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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.