Home / 432,942,510.63-649,522,046.76-126,234,623.50

Finding the Fourth Proportional to 432,942,510.63, 649,522,046.76 and 126,234,623.50

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Solution

The fourth proportional to 432,942,510.63, 649,522,046.76 and 126,234,623.50 is: 189,383,507.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,942,510.63 : 649,522,046.76 = 126,234,623.50 : x
  2. Step 2: Convert to fraction form
    432,942,510.63/649,522,046.76 = 126,234,623.50/x
  3. Step 3: Cross multiply
    432,942,510.63x = 649,522,046.76 × 126,234,623.50
  4. Step 4: Simplify right side
    432,942,510.63x = 81,992,171,027,698,000
  5. Step 5: Solve for x
    x = 81,992,171,027,698,000/432,942,510.63
  6. Step 6: Final answer
    x = 189,383,507.08

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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.