Home / 432,439,901.01-648,770,420.97-125,732,013.89

Finding the Fourth Proportional to 432,439,901.01, 648,770,420.97 and 125,732,013.89

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Solution

The fourth proportional to 432,439,901.01, 648,770,420.97 and 125,732,013.89 is: 188,630,168.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,439,901.01 : 648,770,420.97 = 125,732,013.89 : x
  2. Step 2: Convert to fraction form
    432,439,901.01/648,770,420.97 = 125,732,013.89/x
  3. Step 3: Cross multiply
    432,439,901.01x = 648,770,420.97 × 125,732,013.89
  4. Step 4: Simplify right side
    432,439,901.01x = 81,571,211,577,577,344
  5. Step 5: Solve for x
    x = 81,571,211,577,577,344/432,439,901.01
  6. Step 6: Final answer
    x = 188,630,168.93

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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.