Finding the Fourth Proportional to 172,124,409.58, 258,237,269.94 and 55,537,578.44
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Solution
The fourth proportional to 172,124,409.58, 258,237,269.94 and 55,537,578.44 is: 83,322,712.16
Step by Step Solution
- Step 1: Write the proportion equation
172,124,409.58 : 258,237,269.94 = 55,537,578.44 : x - Step 2: Convert to fraction form
172,124,409.58/258,237,269.94 = 55,537,578.44/x - Step 3: Cross multiply
172,124,409.58x = 258,237,269.94 × 55,537,578.44 - Step 4: Simplify right side
172,124,409.58x = 14,341,872,635,424,204 - Step 5: Solve for x
x = 14,341,872,635,424,204/172,124,409.58 - Step 6: Final answer
x = 83,322,712.16
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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.