Home / 181,974,741.40-272,962,112.10-91,086,520.60

Finding the Fourth Proportional to 181,974,741.40, 272,962,112.10 and 91,086,520.60

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Solution

The fourth proportional to 181,974,741.40, 272,962,112.10 and 91,086,520.60 is: 136,629,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,974,741.40 : 272,962,112.10 = 91,086,520.60 : x
  2. Step 2: Convert to fraction form
    181,974,741.40/272,962,112.10 = 91,086,520.60/x
  3. Step 3: Cross multiply
    181,974,741.40x = 272,962,112.10 × 91,086,520.60
  4. Step 4: Simplify right side
    181,974,741.40x = 24,863,169,046,816,160
  5. Step 5: Solve for x
    x = 24,863,169,046,816,160/181,974,741.40
  6. Step 6: Final answer
    x = 136,629,780.90

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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.