Home / 76,416,195.40-114,624,293.10-49,206,416.20

Finding the Fourth Proportional to 76,416,195.40, 114,624,293.10 and 49,206,416.20

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Solution

The fourth proportional to 76,416,195.40, 114,624,293.10 and 49,206,416.20 is: 73,809,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,416,195.40 : 114,624,293.10 = 49,206,416.20 : x
  2. Step 2: Convert to fraction form
    76,416,195.40/114,624,293.10 = 49,206,416.20/x
  3. Step 3: Cross multiply
    76,416,195.40x = 114,624,293.10 × 49,206,416.20
  4. Step 4: Simplify right side
    76,416,195.40x = 5,640,250,672,909,388
  5. Step 5: Solve for x
    x = 5,640,250,672,909,388/76,416,195.40
  6. Step 6: Final answer
    x = 73,809,624.30

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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.