Home / 231,127,917.76-346,591,088.88-87,419,972.80

Finding the Fourth Proportional to 231,127,917.76, 346,591,088.88 and 87,419,972.80

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Solution

The fourth proportional to 231,127,917.76, 346,591,088.88 and 87,419,972.80 is: 131,091,838.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,127,917.76 : 346,591,088.88 = 87,419,972.80 : x
  2. Step 2: Convert to fraction form
    231,127,917.76/346,591,088.88 = 87,419,972.80/x
  3. Step 3: Cross multiply
    231,127,917.76x = 346,591,088.88 × 87,419,972.80
  4. Step 4: Simplify right side
    231,127,917.76x = 30,298,983,562,611,980
  5. Step 5: Solve for x
    x = 30,298,983,562,611,980/231,127,917.76
  6. Step 6: Final answer
    x = 131,091,838.04

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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.