Home / 143,693,999.40-215,540,999.10-114,996,185.40

Finding the Fourth Proportional to 143,693,999.40, 215,540,999.10 and 114,996,185.40

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Solution

The fourth proportional to 143,693,999.40, 215,540,999.10 and 114,996,185.40 is: 172,494,278.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,693,999.40 : 215,540,999.10 = 114,996,185.40 : x
  2. Step 2: Convert to fraction form
    143,693,999.40/215,540,999.10 = 114,996,185.40/x
  3. Step 3: Cross multiply
    143,693,999.40x = 215,540,999.10 × 114,996,185.40
  4. Step 4: Simplify right side
    143,693,999.40x = 24,786,392,693,804,832
  5. Step 5: Solve for x
    x = 24,786,392,693,804,832/143,693,999.40
  6. Step 6: Final answer
    x = 172,494,278.10

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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.