Finding the Fourth Proportional to 81,413,946.26, 122,020,869.34 and 37,635,487.01
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Solution
The fourth proportional to 81,413,946.26, 122,020,869.34 and 37,635,487.01 is: 56,406,980.06
Step by Step Solution
- Step 1: Write the proportion equation
81,413,946.26 : 122,020,869.34 = 37,635,487.01 : x - Step 2: Convert to fraction form
81,413,946.26/122,020,869.34 = 37,635,487.01/x - Step 3: Cross multiply
81,413,946.26x = 122,020,869.34 × 37,635,487.01 - Step 4: Simplify right side
81,413,946.26x = 4,592,314,842,994,477 - Step 5: Solve for x
x = 4,592,314,842,994,477/81,413,946.26 - Step 6: Final answer
x = 56,406,980.06
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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.