Home / 180,501,142.88-249,106,992.36-102,198,494.72

Finding the Fourth Proportional to 180,501,142.88, 249,106,992.36 and 102,198,494.72

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Solution

The fourth proportional to 180,501,142.88, 249,106,992.36 and 102,198,494.72 is: 141,042,650.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,501,142.88 : 249,106,992.36 = 102,198,494.72 : x
  2. Step 2: Convert to fraction form
    180,501,142.88/249,106,992.36 = 102,198,494.72/x
  3. Step 3: Cross multiply
    180,501,142.88x = 249,106,992.36 × 102,198,494.72
  4. Step 4: Simplify right side
    180,501,142.88x = 25,458,359,643,418,540
  5. Step 5: Solve for x
    x = 25,458,359,643,418,540/180,501,142.88
  6. Step 6: Final answer
    x = 141,042,650.68

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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.