Home / 93,315,609.20-139,728,469.80-65,873,716.40

Finding the Fourth Proportional to 93,315,609.20, 139,728,469.80 and 65,873,716.40

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Solution

The fourth proportional to 93,315,609.20, 139,728,469.80 and 65,873,716.40 is: 98,637,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,315,609.20 : 139,728,469.80 = 65,873,716.40 : x
  2. Step 2: Convert to fraction form
    93,315,609.20/139,728,469.80 = 65,873,716.40/x
  3. Step 3: Cross multiply
    93,315,609.20x = 139,728,469.80 × 65,873,716.40
  4. Step 4: Simplify right side
    93,315,609.20x = 9,204,433,592,611,166
  5. Step 5: Solve for x
    x = 9,204,433,592,611,166/93,315,609.20
  6. Step 6: Final answer
    x = 98,637,662.78

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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.