Home / 187,708,129.60-281,338,245.60-168,448,532.80

Finding the Fourth Proportional to 187,708,129.60, 281,338,245.60 and 168,448,532.80

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Solution

The fourth proportional to 187,708,129.60, 281,338,245.60 and 168,448,532.80 is: 252,471,828.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,708,129.60 : 281,338,245.60 = 168,448,532.80 : x
  2. Step 2: Convert to fraction form
    187,708,129.60/281,338,245.60 = 168,448,532.80/x
  3. Step 3: Cross multiply
    187,708,129.60x = 281,338,245.60 × 168,448,532.80
  4. Step 4: Simplify right side
    187,708,129.60x = 47,391,014,691,846,064
  5. Step 5: Solve for x
    x = 47,391,014,691,846,064/187,708,129.60
  6. Step 6: Final answer
    x = 252,471,828.43

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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.