Home / 325,972,244.10-488,790,404.55-121,395,015.30

Finding the Fourth Proportional to 325,972,244.10, 488,790,404.55 and 121,395,015.30

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Solution

The fourth proportional to 325,972,244.10, 488,790,404.55 and 121,395,015.30 is: 182,029,972.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,972,244.10 : 488,790,404.55 = 121,395,015.30 : x
  2. Step 2: Convert to fraction form
    325,972,244.10/488,790,404.55 = 121,395,015.30/x
  3. Step 3: Cross multiply
    325,972,244.10x = 488,790,404.55 × 121,395,015.30
  4. Step 4: Simplify right side
    325,972,244.10x = 59,336,718,638,840,440
  5. Step 5: Solve for x
    x = 59,336,718,638,840,440/325,972,244.10
  6. Step 6: Final answer
    x = 182,029,972.53

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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.