Home / 51,690,496.78-71,332,885.56-28,485,623.74

Finding the Fourth Proportional to 51,690,496.78, 71,332,885.56 and 28,485,623.74

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Solution

The fourth proportional to 51,690,496.78, 71,332,885.56 and 28,485,623.74 is: 39,310,160.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,690,496.78 : 71,332,885.56 = 28,485,623.74 : x
  2. Step 2: Convert to fraction form
    51,690,496.78/71,332,885.56 = 28,485,623.74/x
  3. Step 3: Cross multiply
    51,690,496.78x = 71,332,885.56 × 28,485,623.74
  4. Step 4: Simplify right side
    51,690,496.78x = 2,031,961,738,453,305
  5. Step 5: Solve for x
    x = 2,031,961,738,453,305/51,690,496.78
  6. Step 6: Final answer
    x = 39,310,160.76

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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.