Finding the Fourth Proportional to 106,107,962.68, 159,161,930.52 and 29,430,990.46
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Solution
The fourth proportional to 106,107,962.68, 159,161,930.52 and 29,430,990.46 is: 44,146,481.95
Step by Step Solution
- Step 1: Write the proportion equation
106,107,962.68 : 159,161,930.52 = 29,430,990.46 : x - Step 2: Convert to fraction form
106,107,962.68/159,161,930.52 = 29,430,990.46/x - Step 3: Cross multiply
106,107,962.68x = 159,161,930.52 × 29,430,990.46 - Step 4: Simplify right side
106,107,962.68x = 4,684,293,258,729,303 - Step 5: Solve for x
x = 4,684,293,258,729,303/106,107,962.68 - Step 6: Final answer
x = 44,146,481.95
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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.