Home / 432,439,855.45-648,770,352.42-125,731,968.32

Finding the Fourth Proportional to 432,439,855.45, 648,770,352.42 and 125,731,968.32

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Solution

The fourth proportional to 432,439,855.45, 648,770,352.42 and 125,731,968.32 is: 188,630,100.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,439,855.45 : 648,770,352.42 = 125,731,968.32 : x
  2. Step 2: Convert to fraction form
    432,439,855.45/648,770,352.42 = 125,731,968.32/x
  3. Step 3: Cross multiply
    432,439,855.45x = 648,770,352.42 × 125,731,968.32
  4. Step 4: Simplify right side
    432,439,855.45x = 81,571,173,399,521,360
  5. Step 5: Solve for x
    x = 81,571,173,399,521,360/432,439,855.45
  6. Step 6: Final answer
    x = 188,630,100.51

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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.