Finding the Fourth Proportional to 345,608,497.49, 518,413,245.18 and 141,136,572.74
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Solution
The fourth proportional to 345,608,497.49, 518,413,245.18 and 141,136,572.74 is: 211,705,062.86
Step by Step Solution
- Step 1: Write the proportion equation
345,608,497.49 : 518,413,245.18 = 141,136,572.74 : x - Step 2: Convert to fraction form
345,608,497.49/518,413,245.18 = 141,136,572.74/x - Step 3: Cross multiply
345,608,497.49x = 518,413,245.18 × 141,136,572.74 - Step 4: Simplify right side
345,608,497.49x = 73,167,068,684,605,200 - Step 5: Solve for x
x = 73,167,068,684,605,200/345,608,497.49 - Step 6: Final answer
x = 211,705,062.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.