Home / 136,340,238.48-188,154,172.26-80,633,411.88

Finding the Fourth Proportional to 136,340,238.48, 188,154,172.26 and 80,633,411.88

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Solution

The fourth proportional to 136,340,238.48, 188,154,172.26 and 80,633,411.88 is: 111,276,854.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,340,238.48 : 188,154,172.26 = 80,633,411.88 : x
  2. Step 2: Convert to fraction form
    136,340,238.48/188,154,172.26 = 80,633,411.88/x
  3. Step 3: Cross multiply
    136,340,238.48x = 188,154,172.26 × 80,633,411.88
  4. Step 4: Simplify right side
    136,340,238.48x = 15,171,512,868,781,048
  5. Step 5: Solve for x
    x = 15,171,512,868,781,048/136,340,238.48
  6. Step 6: Final answer
    x = 111,276,854.42

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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.