Finding the Fourth Proportional to 107,412,133.60, 160,740,286.80 and 98,342,207.20
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Solution
The fourth proportional to 107,412,133.60, 160,740,286.80 and 98,342,207.20 is: 147,167,308.39
Step by Step Solution
- Step 1: Write the proportion equation
107,412,133.60 : 160,740,286.80 = 98,342,207.20 : x - Step 2: Convert to fraction form
107,412,133.60/160,740,286.80 = 98,342,207.20/x - Step 3: Cross multiply
107,412,133.60x = 160,740,286.80 × 98,342,207.20 - Step 4: Simplify right side
107,412,133.60x = 15,807,554,589,873,026 - Step 5: Solve for x
x = 15,807,554,589,873,026/107,412,133.60 - Step 6: Final answer
x = 147,167,308.39
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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.