Home / 75,805,429.20-104,611,492.38-40,998,119.73

Finding the Fourth Proportional to 75,805,429.20, 104,611,492.38 and 40,998,119.73

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Solution

The fourth proportional to 75,805,429.20, 104,611,492.38 and 40,998,119.73 is: 56,577,405.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,805,429.20 : 104,611,492.38 = 40,998,119.73 : x
  2. Step 2: Convert to fraction form
    75,805,429.20/104,611,492.38 = 40,998,119.73/x
  3. Step 3: Cross multiply
    75,805,429.20x = 104,611,492.38 × 40,998,119.73
  4. Step 4: Simplify right side
    75,805,429.20x = 4,288,874,489,729,222
  5. Step 5: Solve for x
    x = 4,288,874,489,729,222/75,805,429.20
  6. Step 6: Final answer
    x = 56,577,405.27

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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.