Finding the Fourth Proportional to 81,766,779.19, 122,635,606.05 and 32,578,510.09
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Solution
The fourth proportional to 81,766,779.19, 122,635,606.05 and 32,578,510.09 is: 48,861,962.87
Step by Step Solution
- Step 1: Write the proportion equation
81,766,779.19 : 122,635,606.05 = 32,578,510.09 : x - Step 2: Convert to fraction form
81,766,779.19/122,635,606.05 = 32,578,510.09/x - Step 3: Cross multiply
81,766,779.19x = 122,635,606.05 × 32,578,510.09 - Step 4: Simplify right side
81,766,779.19x = 3,995,285,329,093,190 - Step 5: Solve for x
x = 3,995,285,329,093,190/81,766,779.19 - Step 6: Final answer
x = 48,861,962.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.