Home / 325,761,946.20-488,265,005.70-131,577,341.40

Finding the Fourth Proportional to 325,761,946.20, 488,265,005.70 and 131,577,341.40

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Solution

The fourth proportional to 325,761,946.20, 488,265,005.70 and 131,577,341.40 is: 197,213,370.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,761,946.20 : 488,265,005.70 = 131,577,341.40 : x
  2. Step 2: Convert to fraction form
    325,761,946.20/488,265,005.70 = 131,577,341.40/x
  3. Step 3: Cross multiply
    325,761,946.20x = 488,265,005.70 × 131,577,341.40
  4. Step 4: Simplify right side
    325,761,946.20x = 64,244,611,348,661,848
  5. Step 5: Solve for x
    x = 64,244,611,348,661,848/325,761,946.20
  6. Step 6: Final answer
    x = 197,213,370.37

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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.