Home / 75,082,603-103,613,992.16-40,743,787

Finding the Fourth Proportional to 75,082,603, 103,613,992.16 and 40,743,787

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Solution

The fourth proportional to 75,082,603, 103,613,992.16 and 40,743,787 is: 56,226,426.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,082,603 : 103,613,992.16 = 40,743,787 : x
  2. Step 2: Convert to fraction form
    75,082,603/103,613,992.16 = 40,743,787/x
  3. Step 3: Cross multiply
    75,082,603x = 103,613,992.16 × 40,743,787
  4. Step 4: Simplify right side
    75,082,603x = 4,221,626,426,786,710
  5. Step 5: Solve for x
    x = 4,221,626,426,786,710/75,082,603
  6. Step 6: Final answer
    x = 56,226,426.07

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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.