Home / 77,873,633.82-116,801,527.77-20,371,455.18

Finding the Fourth Proportional to 77,873,633.82, 116,801,527.77 and 20,371,455.18

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Solution

The fourth proportional to 77,873,633.82, 116,801,527.77 and 20,371,455.18 is: 30,554,848.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,873,633.82 : 116,801,527.77 = 20,371,455.18 : x
  2. Step 2: Convert to fraction form
    77,873,633.82/116,801,527.77 = 20,371,455.18/x
  3. Step 3: Cross multiply
    77,873,633.82x = 116,801,527.77 × 20,371,455.18
  4. Step 4: Simplify right side
    77,873,633.82x = 2,379,417,087,922,080
  5. Step 5: Solve for x
    x = 2,379,417,087,922,080/77,873,633.82
  6. Step 6: Final answer
    x = 30,554,848.56

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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.