Home / 51,361,199.72-70,882,939.67-28,160,810.72

Finding the Fourth Proportional to 51,361,199.72, 70,882,939.67 and 28,160,810.72

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Solution

The fourth proportional to 51,361,199.72, 70,882,939.67 and 28,160,810.72 is: 38,864,377.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,361,199.72 : 70,882,939.67 = 28,160,810.72 : x
  2. Step 2: Convert to fraction form
    51,361,199.72/70,882,939.67 = 28,160,810.72/x
  3. Step 3: Cross multiply
    51,361,199.72x = 70,882,939.67 × 28,160,810.72
  4. Step 4: Simplify right side
    51,361,199.72x = 1,996,121,047,324,049.25
  5. Step 5: Solve for x
    x = 1,996,121,047,324,049.25/51,361,199.72
  6. Step 6: Final answer
    x = 38,864,377.36

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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.