Finding the Fourth Proportional to 64,675,518.72, 97,028,569.49 and 20,956,205.04
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Solution
The fourth proportional to 64,675,518.72, 97,028,569.49 and 20,956,205.04 is: 31,439,262.29
Step by Step Solution
- Step 1: Write the proportion equation
64,675,518.72 : 97,028,569.49 = 20,956,205.04 : x - Step 2: Convert to fraction form
64,675,518.72/97,028,569.49 = 20,956,205.04/x - Step 3: Cross multiply
64,675,518.72x = 97,028,569.49 × 20,956,205.04 - Step 4: Simplify right side
64,675,518.72x = 2,033,350,596,970,328 - Step 5: Solve for x
x = 2,033,350,596,970,328/64,675,518.72 - Step 6: Final answer
x = 31,439,262.29
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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.