Home / 49,821,105.40-74,731,658.10-30,589,502.20

Finding the Fourth Proportional to 49,821,105.40, 74,731,658.10 and 30,589,502.20

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Solution

The fourth proportional to 49,821,105.40, 74,731,658.10 and 30,589,502.20 is: 45,884,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,821,105.40 : 74,731,658.10 = 30,589,502.20 : x
  2. Step 2: Convert to fraction form
    49,821,105.40/74,731,658.10 = 30,589,502.20/x
  3. Step 3: Cross multiply
    49,821,105.40x = 74,731,658.10 × 30,589,502.20
  4. Step 4: Simplify right side
    49,821,105.40x = 2,286,004,219,859,597.50
  5. Step 5: Solve for x
    x = 2,286,004,219,859,597.50/49,821,105.40
  6. Step 6: Final answer
    x = 45,884,253.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.