Home / 190,635,638.10-285,996,234.87-61,250,618.58

Finding the Fourth Proportional to 190,635,638.10, 285,996,234.87 and 61,250,618.58

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Solution

The fourth proportional to 190,635,638.10, 285,996,234.87 and 61,250,618.58 is: 91,889,672.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,635,638.10 : 285,996,234.87 = 61,250,618.58 : x
  2. Step 2: Convert to fraction form
    190,635,638.10/285,996,234.87 = 61,250,618.58/x
  3. Step 3: Cross multiply
    190,635,638.10x = 285,996,234.87 × 61,250,618.58
  4. Step 4: Simplify right side
    190,635,638.10x = 17,517,446,297,338,466
  5. Step 5: Solve for x
    x = 17,517,446,297,338,466/190,635,638.10
  6. Step 6: Final answer
    x = 91,889,672.21

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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.