Home / 281,987,749.44-422,885,819.52-97,712,231.04

Finding the Fourth Proportional to 281,987,749.44, 422,885,819.52 and 97,712,231.04

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Solution

The fourth proportional to 281,987,749.44, 422,885,819.52 and 97,712,231.04 is: 146,535,149.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,987,749.44 : 422,885,819.52 = 97,712,231.04 : x
  2. Step 2: Convert to fraction form
    281,987,749.44/422,885,819.52 = 97,712,231.04/x
  3. Step 3: Cross multiply
    281,987,749.44x = 422,885,819.52 × 97,712,231.04
  4. Step 4: Simplify right side
    281,987,749.44x = 41,321,116,900,477,984
  5. Step 5: Solve for x
    x = 41,321,116,900,477,984/281,987,749.44
  6. Step 6: Final answer
    x = 146,535,149.07

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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.