Home / 237,612,076.80-356,481,100.80-84,242,140.80

Finding the Fourth Proportional to 237,612,076.80, 356,481,100.80 and 84,242,140.80

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Solution

The fourth proportional to 237,612,076.80, 356,481,100.80 and 84,242,140.80 is: 126,385,541.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,612,076.80 : 356,481,100.80 = 84,242,140.80 : x
  2. Step 2: Convert to fraction form
    237,612,076.80/356,481,100.80 = 84,242,140.80/x
  3. Step 3: Cross multiply
    237,612,076.80x = 356,481,100.80 × 84,242,140.80
  4. Step 4: Simplify right side
    237,612,076.80x = 30,030,731,086,132,592
  5. Step 5: Solve for x
    x = 30,030,731,086,132,592/237,612,076.80
  6. Step 6: Final answer
    x = 126,385,541.89

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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.