Home / 215,642,677.65-323,609,559.18-84,468,682.56

Finding the Fourth Proportional to 215,642,677.65, 323,609,559.18 and 84,468,682.56

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Solution

The fourth proportional to 215,642,677.65, 323,609,559.18 and 84,468,682.56 is: 126,760,033.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,642,677.65 : 323,609,559.18 = 84,468,682.56 : x
  2. Step 2: Convert to fraction form
    215,642,677.65/323,609,559.18 = 84,468,682.56/x
  3. Step 3: Cross multiply
    215,642,677.65x = 323,609,559.18 × 84,468,682.56
  4. Step 4: Simplify right side
    215,642,677.65x = 27,334,873,127,756,956
  5. Step 5: Solve for x
    x = 27,334,873,127,756,956/215,642,677.65
  6. Step 6: Final answer
    x = 126,760,033.89

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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.