Home / 240,156,709.92-331,416,546.48-130,148,422.80

Finding the Fourth Proportional to 240,156,709.92, 331,416,546.48 and 130,148,422.80

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Solution

The fourth proportional to 240,156,709.92, 331,416,546.48 and 130,148,422.80 is: 179,604,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,156,709.92 : 331,416,546.48 = 130,148,422.80 : x
  2. Step 2: Convert to fraction form
    240,156,709.92/331,416,546.48 = 130,148,422.80/x
  3. Step 3: Cross multiply
    240,156,709.92x = 331,416,546.48 × 130,148,422.80
  4. Step 4: Simplify right side
    240,156,709.92x = 43,133,340,814,194,896
  5. Step 5: Solve for x
    x = 43,133,340,814,194,896/240,156,709.92
  6. Step 6: Final answer
    x = 179,604,978.88

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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.