Home / 91,090,149.80-136,635,224.70-82,303,658.60

Finding the Fourth Proportional to 91,090,149.80, 136,635,224.70 and 82,303,658.60

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Solution

The fourth proportional to 91,090,149.80, 136,635,224.70 and 82,303,658.60 is: 123,455,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,090,149.80 : 136,635,224.70 = 82,303,658.60 : x
  2. Step 2: Convert to fraction form
    91,090,149.80/136,635,224.70 = 82,303,658.60/x
  3. Step 3: Cross multiply
    91,090,149.80x = 136,635,224.70 × 82,303,658.60
  4. Step 4: Simplify right side
    91,090,149.80x = 11,245,578,886,443,086
  5. Step 5: Solve for x
    x = 11,245,578,886,443,086/91,090,149.80
  6. Step 6: Final answer
    x = 123,455,487.90

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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.