Home / 129,457,686.83-194,188,213.04-43,196,093.58

Finding the Fourth Proportional to 129,457,686.83, 194,188,213.04 and 43,196,093.58

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Solution

The fourth proportional to 129,457,686.83, 194,188,213.04 and 43,196,093.58 is: 64,794,701.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,457,686.83 : 194,188,213.04 = 43,196,093.58 : x
  2. Step 2: Convert to fraction form
    129,457,686.83/194,188,213.04 = 43,196,093.58/x
  3. Step 3: Cross multiply
    129,457,686.83x = 194,188,213.04 × 43,196,093.58
  4. Step 4: Simplify right side
    129,457,686.83x = 8,388,172,222,392,835
  5. Step 5: Solve for x
    x = 8,388,172,222,392,835/129,457,686.83
  6. Step 6: Final answer
    x = 64,794,701.87

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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.