Home / 55,942,926.89-77,190,990.66-31,162,497.03

Finding the Fourth Proportional to 55,942,926.89, 77,190,990.66 and 31,162,497.03

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Solution

The fourth proportional to 55,942,926.89, 77,190,990.66 and 31,162,497.03 is: 42,998,537.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,942,926.89 : 77,190,990.66 = 31,162,497.03 : x
  2. Step 2: Convert to fraction form
    55,942,926.89/77,190,990.66 = 31,162,497.03/x
  3. Step 3: Cross multiply
    55,942,926.89x = 77,190,990.66 × 31,162,497.03
  4. Step 4: Simplify right side
    55,942,926.89x = 2,405,464,017,185,007.50
  5. Step 5: Solve for x
    x = 2,405,464,017,185,007.50/55,942,926.89
  6. Step 6: Final answer
    x = 42,998,537.10

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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.