Home / 75,082,606-103,613,996.30-40,743,790

Finding the Fourth Proportional to 75,082,606, 103,613,996.30 and 40,743,790

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Solution

The fourth proportional to 75,082,606, 103,613,996.30 and 40,743,790 is: 56,226,430.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,082,606 : 103,613,996.30 = 40,743,790 : x
  2. Step 2: Convert to fraction form
    75,082,606/103,613,996.30 = 40,743,790/x
  3. Step 3: Cross multiply
    75,082,606x = 103,613,996.30 × 40,743,790
  4. Step 4: Simplify right side
    75,082,606x = 4,221,626,906,307,977
  5. Step 5: Solve for x
    x = 4,221,626,906,307,977/75,082,606
  6. Step 6: Final answer
    x = 56,226,430.21

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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.