Home / 75,082,605-103,613,994.92-40,743,789

Finding the Fourth Proportional to 75,082,605, 103,613,994.92 and 40,743,789

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Solution

The fourth proportional to 75,082,605, 103,613,994.92 and 40,743,789 is: 56,226,428.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,082,605 : 103,613,994.92 = 40,743,789 : x
  2. Step 2: Convert to fraction form
    75,082,605/103,613,994.92 = 40,743,789/x
  3. Step 3: Cross multiply
    75,082,605x = 103,613,994.92 × 40,743,789
  4. Step 4: Simplify right side
    75,082,605x = 4,221,626,746,467,552
  5. Step 5: Solve for x
    x = 4,221,626,746,467,552/75,082,605
  6. Step 6: Final answer
    x = 56,226,428.83

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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.