Home / 59,048,486.73-81,394,120.89-40,431,432.15

Finding the Fourth Proportional to 59,048,486.73, 81,394,120.89 and 40,431,432.15

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Solution

The fourth proportional to 59,048,486.73, 81,394,120.89 and 40,431,432.15 is: 55,731,841.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,048,486.73 : 81,394,120.89 = 40,431,432.15 : x
  2. Step 2: Convert to fraction form
    59,048,486.73/81,394,120.89 = 40,431,432.15/x
  3. Step 3: Cross multiply
    59,048,486.73x = 81,394,120.89 × 40,431,432.15
  4. Step 4: Simplify right side
    59,048,486.73x = 3,290,880,876,172,932.50
  5. Step 5: Solve for x
    x = 3,290,880,876,172,932.50/59,048,486.73
  6. Step 6: Final answer
    x = 55,731,841.04

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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.