Home / 168,503,856.80-252,755,785.20-77,804,592.80

Finding the Fourth Proportional to 168,503,856.80, 252,755,785.20 and 77,804,592.80

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Solution

The fourth proportional to 168,503,856.80, 252,755,785.20 and 77,804,592.80 is: 116,706,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,503,856.80 : 252,755,785.20 = 77,804,592.80 : x
  2. Step 2: Convert to fraction form
    168,503,856.80/252,755,785.20 = 77,804,592.80/x
  3. Step 3: Cross multiply
    168,503,856.80x = 252,755,785.20 × 77,804,592.80
  4. Step 4: Simplify right side
    168,503,856.80x = 19,665,560,945,330,264
  5. Step 5: Solve for x
    x = 19,665,560,945,330,264/168,503,856.80
  6. Step 6: Final answer
    x = 116,706,889.20

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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.