Home / 91,853,999.55-137,780,999.33-82,766,358.45

Finding the Fourth Proportional to 91,853,999.55, 137,780,999.33 and 82,766,358.45

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Solution

The fourth proportional to 91,853,999.55, 137,780,999.33 and 82,766,358.45 is: 124,149,537.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,853,999.55 : 137,780,999.33 = 82,766,358.45 : x
  2. Step 2: Convert to fraction form
    91,853,999.55/137,780,999.33 = 82,766,358.45/x
  3. Step 3: Cross multiply
    91,853,999.55x = 137,780,999.33 × 82,766,358.45
  4. Step 4: Simplify right side
    91,853,999.55x = 11,403,631,577,732,158
  5. Step 5: Solve for x
    x = 11,403,631,577,732,158/91,853,999.55
  6. Step 6: Final answer
    x = 124,149,537.68

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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.