Finding the Fourth Proportional to 199,609,860.70, 298,966,893.45 and 163,778,052.70
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Solution
The fourth proportional to 199,609,860.70, 298,966,893.45 and 163,778,052.70 is: 245,299,583.19
Step by Step Solution
- Step 1: Write the proportion equation
199,609,860.70 : 298,966,893.45 = 163,778,052.70 : x - Step 2: Convert to fraction form
199,609,860.70/298,966,893.45 = 163,778,052.70/x - Step 3: Cross multiply
199,609,860.70x = 298,966,893.45 × 163,778,052.70 - Step 4: Simplify right side
199,609,860.70x = 48,964,215,631,009,376 - Step 5: Solve for x
x = 48,964,215,631,009,376/199,609,860.70 - Step 6: Final answer
x = 245,299,583.19
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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.