Finding the Fourth Proportional to 192,086,377.35, 288,039,862.57 and 69,248,516.55
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Solution
The fourth proportional to 192,086,377.35, 288,039,862.57 and 69,248,516.55 is: 103,840,436.09
Step by Step Solution
- Step 1: Write the proportion equation
192,086,377.35 : 288,039,862.57 = 69,248,516.55 : x - Step 2: Convert to fraction form
192,086,377.35/288,039,862.57 = 69,248,516.55/x - Step 3: Cross multiply
192,086,377.35x = 288,039,862.57 × 69,248,516.55 - Step 4: Simplify right side
192,086,377.35x = 19,946,333,190,238,368 - Step 5: Solve for x
x = 19,946,333,190,238,368/192,086,377.35 - Step 6: Final answer
x = 103,840,436.09
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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.