Home / 51,286,937.60-76,930,406.40-15,385,145.60

Finding the Fourth Proportional to 51,286,937.60, 76,930,406.40 and 15,385,145.60

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Solution

The fourth proportional to 51,286,937.60, 76,930,406.40 and 15,385,145.60 is: 23,077,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,286,937.60 : 76,930,406.40 = 15,385,145.60 : x
  2. Step 2: Convert to fraction form
    51,286,937.60/76,930,406.40 = 15,385,145.60/x
  3. Step 3: Cross multiply
    51,286,937.60x = 76,930,406.40 × 15,385,145.60
  4. Step 4: Simplify right side
    51,286,937.60x = 1,183,585,503,531,172
  5. Step 5: Solve for x
    x = 1,183,585,503,531,172/51,286,937.60
  6. Step 6: Final answer
    x = 23,077,718.40

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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.