Home / 75,082,578-103,613,957.64-40,743,762

Finding the Fourth Proportional to 75,082,578, 103,613,957.64 and 40,743,762

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Solution

The fourth proportional to 75,082,578, 103,613,957.64 and 40,743,762 is: 56,226,391.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,082,578 : 103,613,957.64 = 40,743,762 : x
  2. Step 2: Convert to fraction form
    75,082,578/103,613,957.64 = 40,743,762/x
  3. Step 3: Cross multiply
    75,082,578x = 103,613,957.64 × 40,743,762
  4. Step 4: Simplify right side
    75,082,578x = 4,221,622,429,962,241.50
  5. Step 5: Solve for x
    x = 4,221,622,429,962,241.50/75,082,578
  6. Step 6: Final answer
    x = 56,226,391.56

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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.