Finding the Fourth Proportional to 194,982,465.60, 292,473,680.64 and 85,807,636.61
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Solution
The fourth proportional to 194,982,465.60, 292,473,680.64 and 85,807,636.61 is: 128,711,447.09
Step by Step Solution
- Step 1: Write the proportion equation
194,982,465.60 : 292,473,680.64 = 85,807,636.61 : x - Step 2: Convert to fraction form
194,982,465.60/292,473,680.64 = 85,807,636.61/x - Step 3: Cross multiply
194,982,465.60x = 292,473,680.64 × 85,807,636.61 - Step 4: Simplify right side
194,982,465.60x = 25,096,475,304,883,944 - Step 5: Solve for x
x = 25,096,475,304,883,944/194,982,465.60 - Step 6: Final answer
x = 128,711,447.09
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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.