Home / 172,708,951.25-259,179,992.51-67,651,263.05

Finding the Fourth Proportional to 172,708,951.25, 259,179,992.51 and 67,651,263.05

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Solution

The fourth proportional to 172,708,951.25, 259,179,992.51 and 67,651,263.05 is: 101,522,554.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,708,951.25 : 259,179,992.51 = 67,651,263.05 : x
  2. Step 2: Convert to fraction form
    172,708,951.25/259,179,992.51 = 67,651,263.05/x
  3. Step 3: Cross multiply
    172,708,951.25x = 259,179,992.51 × 67,651,263.05
  4. Step 4: Simplify right side
    172,708,951.25x = 17,533,853,848,956,884
  5. Step 5: Solve for x
    x = 17,533,853,848,956,884/172,708,951.25
  6. Step 6: Final answer
    x = 101,522,554.12

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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.