Home / 325,557,419.20-488,336,128.80-110,146,667.20

Finding the Fourth Proportional to 325,557,419.20, 488,336,128.80 and 110,146,667.20

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Solution

The fourth proportional to 325,557,419.20, 488,336,128.80 and 110,146,667.20 is: 165,220,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,557,419.20 : 488,336,128.80 = 110,146,667.20 : x
  2. Step 2: Convert to fraction form
    325,557,419.20/488,336,128.80 = 110,146,667.20/x
  3. Step 3: Cross multiply
    325,557,419.20x = 488,336,128.80 × 110,146,667.20
  4. Step 4: Simplify right side
    325,557,419.20x = 53,788,597,060,669,936
  5. Step 5: Solve for x
    x = 53,788,597,060,669,936/325,557,419.20
  6. Step 6: Final answer
    x = 165,220,000.80

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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.