Home / 325,761,941.20-488,264,998.20-131,577,336.40

Finding the Fourth Proportional to 325,761,941.20, 488,264,998.20 and 131,577,336.40

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Solution

The fourth proportional to 325,761,941.20, 488,264,998.20 and 131,577,336.40 is: 197,213,362.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,761,941.20 : 488,264,998.20 = 131,577,336.40 : x
  2. Step 2: Convert to fraction form
    325,761,941.20/488,264,998.20 = 131,577,336.40/x
  3. Step 3: Cross multiply
    325,761,941.20x = 488,264,998.20 × 131,577,336.40
  4. Step 4: Simplify right side
    325,761,941.20x = 64,244,607,920,506,792
  5. Step 5: Solve for x
    x = 64,244,607,920,506,792/325,761,941.20
  6. Step 6: Final answer
    x = 197,213,362.87

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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.