Home / 432,439,949.94-648,770,493.69-125,732,062.50

Finding the Fourth Proportional to 432,439,949.94, 648,770,493.69 and 125,732,062.50

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Solution

The fourth proportional to 432,439,949.94, 648,770,493.69 and 125,732,062.50 is: 188,630,241.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,439,949.94 : 648,770,493.69 = 125,732,062.50 : x
  2. Step 2: Convert to fraction form
    432,439,949.94/648,770,493.69 = 125,732,062.50/x
  3. Step 3: Cross multiply
    432,439,949.94x = 648,770,493.69 × 125,732,062.50
  4. Step 4: Simplify right side
    432,439,949.94x = 81,571,252,260,786,944
  5. Step 5: Solve for x
    x = 81,571,252,260,786,944/432,439,949.94
  6. Step 6: Final answer
    x = 188,630,241.66

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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.