Finding the Fourth Proportional to 247,402,960.74, 341,375,121.27 and 142,990,754.76
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Solution
The fourth proportional to 247,402,960.74, 341,375,121.27 and 142,990,754.76 is: 197,303,565.41
Step by Step Solution
- Step 1: Write the proportion equation
247,402,960.74 : 341,375,121.27 = 142,990,754.76 : x - Step 2: Convert to fraction form
247,402,960.74/341,375,121.27 = 142,990,754.76/x - Step 3: Cross multiply
247,402,960.74x = 341,375,121.27 × 142,990,754.76 - Step 4: Simplify right side
247,402,960.74x = 48,813,486,246,683,824 - Step 5: Solve for x
x = 48,813,486,246,683,824/247,402,960.74 - Step 6: Final answer
x = 197,303,565.41
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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.