Home / 165,431,112.80-248,156,000.40-50,419,407.20

Finding the Fourth Proportional to 165,431,112.80, 248,156,000.40 and 50,419,407.20

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Solution

The fourth proportional to 165,431,112.80, 248,156,000.40 and 50,419,407.20 is: 75,631,954.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,431,112.80 : 248,156,000.40 = 50,419,407.20 : x
  2. Step 2: Convert to fraction form
    165,431,112.80/248,156,000.40 = 50,419,407.20/x
  3. Step 3: Cross multiply
    165,431,112.80x = 248,156,000.40 × 50,419,407.20
  4. Step 4: Simplify right side
    165,431,112.80x = 12,511,878,433,290,964
  5. Step 5: Solve for x
    x = 12,511,878,433,290,964/165,431,112.80
  6. Step 6: Final answer
    x = 75,631,954.72

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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.