Home / 78,506,757,179.07-117,794,388,461.52-27,491,669,014.68

Finding the Fourth Proportional to 78,506,757,179.07, 117,794,388,461.52 and 27,491,669,014.68

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Solution

The fourth proportional to 78,506,757,179.07, 117,794,388,461.52 and 27,491,669,014.68 is: 41,249,498,205.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,506,757,179.07 : 117,794,388,461.52 = 27,491,669,014.68 : x
  2. Step 2: Convert to fraction form
    78,506,757,179.07/117,794,388,461.52 = 27,491,669,014.68/x
  3. Step 3: Cross multiply
    78,506,757,179.07x = 117,794,388,461.52 × 27,491,669,014.68
  4. Step 4: Simplify right side
    78,506,757,179.07x = 3,238,364,339,370,749,067,264
  5. Step 5: Solve for x
    x = 3,238,364,339,370,749,067,264/78,506,757,179.07
  6. Step 6: Final answer
    x = 41,249,498,205.41

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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.