Home / 301,173,973.20-451,751,628.60-85,763,221.20

Finding the Fourth Proportional to 301,173,973.20, 451,751,628.60 and 85,763,221.20

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Solution

The fourth proportional to 301,173,973.20, 451,751,628.60 and 85,763,221.20 is: 128,642,174.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,173,973.20 : 451,751,628.60 = 85,763,221.20 : x
  2. Step 2: Convert to fraction form
    301,173,973.20/451,751,628.60 = 85,763,221.20/x
  3. Step 3: Cross multiply
    301,173,973.20x = 451,751,628.60 × 85,763,221.20
  4. Step 4: Simplify right side
    301,173,973.20x = 38,743,674,851,082,048
  5. Step 5: Solve for x
    x = 38,743,674,851,082,048/301,173,973.20
  6. Step 6: Final answer
    x = 128,642,174.62

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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.