Home / 135,571,247.63-187,108,772.40-82,678,641.02

Finding the Fourth Proportional to 135,571,247.63, 187,108,772.40 and 82,678,641.02

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Solution

The fourth proportional to 135,571,247.63, 187,108,772.40 and 82,678,641.02 is: 114,108,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,571,247.63 : 187,108,772.40 = 82,678,641.02 : x
  2. Step 2: Convert to fraction form
    135,571,247.63/187,108,772.40 = 82,678,641.02/x
  3. Step 3: Cross multiply
    135,571,247.63x = 187,108,772.40 × 82,678,641.02
  4. Step 4: Simplify right side
    135,571,247.63x = 15,469,899,024,952,484
  5. Step 5: Solve for x
    x = 15,469,899,024,952,484/135,571,247.63
  6. Step 6: Final answer
    x = 114,108,996.53

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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.