Home / 50,421,855.38-69,581,215.42-30,841,305.53

Finding the Fourth Proportional to 50,421,855.38, 69,581,215.42 and 30,841,305.53

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Solution

The fourth proportional to 50,421,855.38, 69,581,215.42 and 30,841,305.53 is: 42,560,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,421,855.38 : 69,581,215.42 = 30,841,305.53 : x
  2. Step 2: Convert to fraction form
    50,421,855.38/69,581,215.42 = 30,841,305.53/x
  3. Step 3: Cross multiply
    50,421,855.38x = 69,581,215.42 × 30,841,305.53
  4. Step 4: Simplify right side
    50,421,855.38x = 2,145,975,523,491,958
  5. Step 5: Solve for x
    x = 2,145,975,523,491,958/50,421,855.38
  6. Step 6: Final answer
    x = 42,560,423.60

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1.5x scale

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.