Home / 79,728,951.42-110,040,221.16-46,687,271.58

Finding the Fourth Proportional to 79,728,951.42, 110,040,221.16 and 46,687,271.58

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Solution

The fourth proportional to 79,728,951.42, 110,040,221.16 and 46,687,271.58 is: 64,436,789.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,728,951.42 : 110,040,221.16 = 46,687,271.58 : x
  2. Step 2: Convert to fraction form
    79,728,951.42/110,040,221.16 = 46,687,271.58/x
  3. Step 3: Cross multiply
    79,728,951.42x = 110,040,221.16 × 46,687,271.58
  4. Step 4: Simplify right side
    79,728,951.42x = 5,137,477,690,020,182
  5. Step 5: Solve for x
    x = 5,137,477,690,020,182/79,728,951.42
  6. Step 6: Final answer
    x = 64,436,789.88

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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.