Home / 81,115,496,665.20-111,924,584,346.48-46,808,687,611.56

Finding the Fourth Proportional to 81,115,496,665.20, 111,924,584,346.48 and 46,808,687,611.56

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Solution

The fourth proportional to 81,115,496,665.20, 111,924,584,346.48 and 46,808,687,611.56 is: 64,587,447,776.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,115,496,665.20 : 111,924,584,346.48 = 46,808,687,611.56 : x
  2. Step 2: Convert to fraction form
    81,115,496,665.20/111,924,584,346.48 = 46,808,687,611.56/x
  3. Step 3: Cross multiply
    81,115,496,665.20x = 111,924,584,346.48 × 46,808,687,611.56
  4. Step 4: Simplify right side
    81,115,496,665.20x = 5,239,042,904,728,079,958,016
  5. Step 5: Solve for x
    x = 5,239,042,904,728,079,958,016/81,115,496,665.20
  6. Step 6: Final answer
    x = 64,587,447,776.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.