Home / 76,650,003.40-114,975,005.10-73,626,694.60

Finding the Fourth Proportional to 76,650,003.40, 114,975,005.10 and 73,626,694.60

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Solution

The fourth proportional to 76,650,003.40, 114,975,005.10 and 73,626,694.60 is: 110,440,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,650,003.40 : 114,975,005.10 = 73,626,694.60 : x
  2. Step 2: Convert to fraction form
    76,650,003.40/114,975,005.10 = 73,626,694.60/x
  3. Step 3: Cross multiply
    76,650,003.40x = 114,975,005.10 × 73,626,694.60
  4. Step 4: Simplify right side
    76,650,003.40x = 8,465,229,587,131,141
  5. Step 5: Solve for x
    x = 8,465,229,587,131,141/76,650,003.40
  6. Step 6: Final answer
    x = 110,440,041.90

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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.