Home / 75,459,859.73-104,135,043.51-42,419,819.60

Finding the Fourth Proportional to 75,459,859.73, 104,135,043.51 and 42,419,819.60

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Solution

The fourth proportional to 75,459,859.73, 104,135,043.51 and 42,419,819.60 is: 58,539,596.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,459,859.73 : 104,135,043.51 = 42,419,819.60 : x
  2. Step 2: Convert to fraction form
    75,459,859.73/104,135,043.51 = 42,419,819.60/x
  3. Step 3: Cross multiply
    75,459,859.73x = 104,135,043.51 × 42,419,819.60
  4. Step 4: Simplify right side
    75,459,859.73x = 4,417,389,759,211,675.50
  5. Step 5: Solve for x
    x = 4,417,389,759,211,675.50/75,459,859.73
  6. Step 6: Final answer
    x = 58,539,596.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.