Home / 136,340,159.58-188,154,063.09-80,633,332.98

Finding the Fourth Proportional to 136,340,159.58, 188,154,063.09 and 80,633,332.98

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Solution

The fourth proportional to 136,340,159.58, 188,154,063.09 and 80,633,332.98 is: 111,276,745.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,340,159.58 : 188,154,063.09 = 80,633,332.98 : x
  2. Step 2: Convert to fraction form
    136,340,159.58/188,154,063.09 = 80,633,332.98/x
  3. Step 3: Cross multiply
    136,340,159.58x = 188,154,063.09 × 80,633,332.98
  4. Step 4: Simplify right side
    136,340,159.58x = 15,171,489,220,675,898
  5. Step 5: Solve for x
    x = 15,171,489,220,675,898/136,340,159.58
  6. Step 6: Final answer
    x = 111,276,745.37

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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.