Home / 129,574,583.21-194,496,358.92-75,093,613.85

Finding the Fourth Proportional to 129,574,583.21, 194,496,358.92 and 75,093,613.85

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Solution

The fourth proportional to 129,574,583.21, 194,496,358.92 and 75,093,613.85 is: 112,718,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,574,583.21 : 194,496,358.92 = 75,093,613.85 : x
  2. Step 2: Convert to fraction form
    129,574,583.21/194,496,358.92 = 75,093,613.85/x
  3. Step 3: Cross multiply
    129,574,583.21x = 194,496,358.92 × 75,093,613.85
  4. Step 4: Simplify right side
    129,574,583.21x = 14,605,434,472,174,124
  5. Step 5: Solve for x
    x = 14,605,434,472,174,124/129,574,583.21
  6. Step 6: Final answer
    x = 112,718,359.65

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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.