Home / 281,459,798.63-422,380,434.57-115,493,308.06

Finding the Fourth Proportional to 281,459,798.63, 422,380,434.57 and 115,493,308.06

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Solution

The fourth proportional to 281,459,798.63, 422,380,434.57 and 115,493,308.06 is: 173,318,228.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,459,798.63 : 422,380,434.57 = 115,493,308.06 : x
  2. Step 2: Convert to fraction form
    281,459,798.63/422,380,434.57 = 115,493,308.06/x
  3. Step 3: Cross multiply
    281,459,798.63x = 422,380,434.57 × 115,493,308.06
  4. Step 4: Simplify right side
    281,459,798.63x = 48,782,113,647,610,488
  5. Step 5: Solve for x
    x = 48,782,113,647,610,488/281,459,798.63
  6. Step 6: Final answer
    x = 173,318,228.34

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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.