Home / 117,771,213.12-162,512,874.72-86,848,031.04

Finding the Fourth Proportional to 117,771,213.12, 162,512,874.72 and 86,848,031.04

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Solution

The fourth proportional to 117,771,213.12, 162,512,874.72 and 86,848,031.04 is: 119,841,876.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,771,213.12 : 162,512,874.72 = 86,848,031.04 : x
  2. Step 2: Convert to fraction form
    117,771,213.12/162,512,874.72 = 86,848,031.04/x
  3. Step 3: Cross multiply
    117,771,213.12x = 162,512,874.72 × 86,848,031.04
  4. Step 4: Simplify right side
    117,771,213.12x = 14,113,923,188,082,192
  5. Step 5: Solve for x
    x = 14,113,923,188,082,192/117,771,213.12
  6. Step 6: Final answer
    x = 119,841,876.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.