Home / 71,132,598.84-98,161,706.82-40,192,103.82

Finding the Fourth Proportional to 71,132,598.84, 98,161,706.82 and 40,192,103.82

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Solution

The fourth proportional to 71,132,598.84, 98,161,706.82 and 40,192,103.82 is: 55,464,380.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,132,598.84 : 98,161,706.82 = 40,192,103.82 : x
  2. Step 2: Convert to fraction form
    71,132,598.84/98,161,706.82 = 40,192,103.82/x
  3. Step 3: Cross multiply
    71,132,598.84x = 98,161,706.82 × 40,192,103.82
  4. Step 4: Simplify right side
    71,132,598.84x = 3,945,325,511,657,842
  5. Step 5: Solve for x
    x = 3,945,325,511,657,842/71,132,598.84
  6. Step 6: Final answer
    x = 55,464,380.27

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