Finding the Fourth Proportional to 81,881,932.36, 122,865,406.38 and 33,395,358.28
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Solution
The fourth proportional to 81,881,932.36, 122,865,406.38 and 33,395,358.28 is: 50,110,374.15
Step by Step Solution
- Step 1: Write the proportion equation
81,881,932.36 : 122,865,406.38 = 33,395,358.28 : x - Step 2: Convert to fraction form
81,881,932.36/122,865,406.38 = 33,395,358.28/x - Step 3: Cross multiply
81,881,932.36x = 122,865,406.38 × 33,395,358.28 - Step 4: Simplify right side
81,881,932.36x = 4,103,134,266,277,898 - Step 5: Solve for x
x = 4,103,134,266,277,898/81,881,932.36 - Step 6: Final answer
x = 50,110,374.15
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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.