Home / 79,174,805.70-118,762,208.55-68,215,311.30

Finding the Fourth Proportional to 79,174,805.70, 118,762,208.55 and 68,215,311.30

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Solution

The fourth proportional to 79,174,805.70, 118,762,208.55 and 68,215,311.30 is: 102,322,966.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,174,805.70 : 118,762,208.55 = 68,215,311.30 : x
  2. Step 2: Convert to fraction form
    79,174,805.70/118,762,208.55 = 68,215,311.30/x
  3. Step 3: Cross multiply
    79,174,805.70x = 118,762,208.55 × 68,215,311.30
  4. Step 4: Simplify right side
    79,174,805.70x = 8,101,401,026,913,771
  5. Step 5: Solve for x
    x = 8,101,401,026,913,771/79,174,805.70
  6. Step 6: Final answer
    x = 102,322,966.95

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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.