Finding the Fourth Proportional to 122,528,975.86, 169,093,530.21 and 67,528,375.30
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Solution
The fourth proportional to 122,528,975.86, 169,093,530.21 and 67,528,375.30 is: 93,191,110.83
Step by Step Solution
- Step 1: Write the proportion equation
122,528,975.86 : 169,093,530.21 = 67,528,375.30 : x - Step 2: Convert to fraction form
122,528,975.86/169,093,530.21 = 67,528,375.30/x - Step 3: Cross multiply
122,528,975.86x = 169,093,530.21 × 67,528,375.30 - Step 4: Simplify right side
122,528,975.86x = 11,418,611,368,822,768 - Step 5: Solve for x
x = 11,418,611,368,822,768/122,528,975.86 - Step 6: Final answer
x = 93,191,110.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.