Home / 79,134,058.20-118,701,087.30-65,529,168.60

Finding the Fourth Proportional to 79,134,058.20, 118,701,087.30 and 65,529,168.60

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Solution

The fourth proportional to 79,134,058.20, 118,701,087.30 and 65,529,168.60 is: 98,293,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,134,058.20 : 118,701,087.30 = 65,529,168.60 : x
  2. Step 2: Convert to fraction form
    79,134,058.20/118,701,087.30 = 65,529,168.60/x
  3. Step 3: Cross multiply
    79,134,058.20x = 118,701,087.30 × 65,529,168.60
  4. Step 4: Simplify right side
    79,134,058.20x = 7,778,383,562,685,019
  5. Step 5: Solve for x
    x = 7,778,383,562,685,019/79,134,058.20
  6. Step 6: Final answer
    x = 98,293,752.90

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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.