Home / 187,758,046.80-281,637,070.20-118,883,293.20

Finding the Fourth Proportional to 187,758,046.80, 281,637,070.20 and 118,883,293.20

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Solution

The fourth proportional to 187,758,046.80, 281,637,070.20 and 118,883,293.20 is: 178,324,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,758,046.80 : 281,637,070.20 = 118,883,293.20 : x
  2. Step 2: Convert to fraction form
    187,758,046.80/281,637,070.20 = 118,883,293.20/x
  3. Step 3: Cross multiply
    187,758,046.80x = 281,637,070.20 × 118,883,293.20
  4. Step 4: Simplify right side
    187,758,046.80x = 33,481,942,392,575,584
  5. Step 5: Solve for x
    x = 33,481,942,392,575,584/187,758,046.80
  6. Step 6: Final answer
    x = 178,324,939.80

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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.