Home / 325,971,206.10-488,788,847.55-121,393,977.30

Finding the Fourth Proportional to 325,971,206.10, 488,788,847.55 and 121,393,977.30

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Solution

The fourth proportional to 325,971,206.10, 488,788,847.55 and 121,393,977.30 is: 182,028,415.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,971,206.10 : 488,788,847.55 = 121,393,977.30 : x
  2. Step 2: Convert to fraction form
    325,971,206.10/488,788,847.55 = 121,393,977.30/x
  3. Step 3: Cross multiply
    325,971,206.10x = 488,788,847.55 × 121,393,977.30
  4. Step 4: Simplify right side
    325,971,206.10x = 59,336,022,263,977,864
  5. Step 5: Solve for x
    x = 59,336,022,263,977,864/325,971,206.10
  6. Step 6: Final answer
    x = 182,028,415.86

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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.