Finding the Fourth Proportional to 197,803,377.71, 296,737,330.84 and 81,187,436.03
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Solution
The fourth proportional to 197,803,377.71, 296,737,330.84 and 81,187,436.03 is: 121,794,396.75
Step by Step Solution
- Step 1: Write the proportion equation
197,803,377.71 : 296,737,330.84 = 81,187,436.03 : x - Step 2: Convert to fraction form
197,803,377.71/296,737,330.84 = 81,187,436.03/x - Step 3: Cross multiply
197,803,377.71x = 296,737,330.84 × 81,187,436.03 - Step 4: Simplify right side
197,803,377.71x = 24,091,343,063,598,792 - Step 5: Solve for x
x = 24,091,343,063,598,792/197,803,377.71 - Step 6: Final answer
x = 121,794,396.75
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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.