Home / 129,457,685.83-194,188,211.54-43,196,092.58

Finding the Fourth Proportional to 129,457,685.83, 194,188,211.54 and 43,196,092.58

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Solution

The fourth proportional to 129,457,685.83, 194,188,211.54 and 43,196,092.58 is: 64,794,700.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,457,685.83 : 194,188,211.54 = 43,196,092.58 : x
  2. Step 2: Convert to fraction form
    129,457,685.83/194,188,211.54 = 43,196,092.58/x
  3. Step 3: Cross multiply
    129,457,685.83x = 194,188,211.54 × 43,196,092.58
  4. Step 4: Simplify right side
    129,457,685.83x = 8,388,171,962,439,543
  5. Step 5: Solve for x
    x = 8,388,171,962,439,543/129,457,685.83
  6. Step 6: Final answer
    x = 64,794,700.36

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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.