Finding the Fourth Proportional to 106,217,999.20, 159,326,998.80 and 34,414,415.20
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Solution
The fourth proportional to 106,217,999.20, 159,326,998.80 and 34,414,415.20 is: 51,621,622.80
Step by Step Solution
- Step 1: Write the proportion equation
106,217,999.20 : 159,326,998.80 = 34,414,415.20 : x - Step 2: Convert to fraction form
106,217,999.20/159,326,998.80 = 34,414,415.20/x - Step 3: Cross multiply
106,217,999.20x = 159,326,998.80 × 34,414,415.20 - Step 4: Simplify right side
106,217,999.20x = 5,483,145,489,273,103 - Step 5: Solve for x
x = 5,483,145,489,273,103/106,217,999.20 - Step 6: Final answer
x = 51,621,622.80
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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.