Home / 75,082,624-103,614,021.12-40,743,808

Finding the Fourth Proportional to 75,082,624, 103,614,021.12 and 40,743,808

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Solution

The fourth proportional to 75,082,624, 103,614,021.12 and 40,743,808 is: 56,226,455.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,082,624 : 103,614,021.12 = 40,743,808 : x
  2. Step 2: Convert to fraction form
    75,082,624/103,614,021.12 = 40,743,808/x
  3. Step 3: Cross multiply
    75,082,624x = 103,614,021.12 × 40,743,808
  4. Step 4: Simplify right side
    75,082,624x = 4,221,629,782,621,225
  5. Step 5: Solve for x
    x = 4,221,629,782,621,225/75,082,624
  6. Step 6: Final answer
    x = 56,226,455.04

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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.