Home / 119,641,338.72-179,462,008.08-28,764,930.96

Finding the Fourth Proportional to 119,641,338.72, 179,462,008.08 and 28,764,930.96

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Solution

The fourth proportional to 119,641,338.72, 179,462,008.08 and 28,764,930.96 is: 43,147,396.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,641,338.72 : 179,462,008.08 = 28,764,930.96 : x
  2. Step 2: Convert to fraction form
    119,641,338.72/179,462,008.08 = 28,764,930.96/x
  3. Step 3: Cross multiply
    119,641,338.72x = 179,462,008.08 × 28,764,930.96
  4. Step 4: Simplify right side
    119,641,338.72x = 5,162,212,272,364,163
  5. Step 5: Solve for x
    x = 5,162,212,272,364,163/119,641,338.72
  6. Step 6: Final answer
    x = 43,147,396.44

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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.