Home / 173,164,764.60-259,384,979.70-81,127,056.60

Finding the Fourth Proportional to 173,164,764.60, 259,384,979.70 and 81,127,056.60

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Solution

The fourth proportional to 173,164,764.60, 259,384,979.70 and 81,127,056.60 is: 121,520,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,164,764.60 : 259,384,979.70 = 81,127,056.60 : x
  2. Step 2: Convert to fraction form
    173,164,764.60/259,384,979.70 = 81,127,056.60/x
  3. Step 3: Cross multiply
    173,164,764.60x = 259,384,979.70 × 81,127,056.60
  4. Step 4: Simplify right side
    173,164,764.60x = 21,043,139,929,311,748
  5. Step 5: Solve for x
    x = 21,043,139,929,311,748/173,164,764.60
  6. Step 6: Final answer
    x = 121,520,910.90

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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.