Home / 168,332,970.22-252,276,235.53-86,448,540.94

Finding the Fourth Proportional to 168,332,970.22, 252,276,235.53 and 86,448,540.94

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Solution

The fourth proportional to 168,332,970.22, 252,276,235.53 and 86,448,540.94 is: 129,558,175.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,332,970.22 : 252,276,235.53 = 86,448,540.94 : x
  2. Step 2: Convert to fraction form
    168,332,970.22/252,276,235.53 = 86,448,540.94/x
  3. Step 3: Cross multiply
    168,332,970.22x = 252,276,235.53 × 86,448,540.94
  4. Step 4: Simplify right side
    168,332,970.22x = 21,808,912,475,404,288
  5. Step 5: Solve for x
    x = 21,808,912,475,404,288/168,332,970.22
  6. Step 6: Final answer
    x = 129,558,175.36

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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.