Finding the Fourth Proportional to 107,328,186.48, 148,204,956.72 and 103,857,545.12
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Solution
The fourth proportional to 107,328,186.48, 148,204,956.72 and 103,857,545.12 is: 143,412,494.75
Step by Step Solution
- Step 1: Write the proportion equation
107,328,186.48 : 148,204,956.72 = 103,857,545.12 : x - Step 2: Convert to fraction form
107,328,186.48/148,204,956.72 = 103,857,545.12/x - Step 3: Cross multiply
107,328,186.48x = 148,204,956.72 × 103,857,545.12 - Step 4: Simplify right side
107,328,186.48x = 15,392,202,979,555,048 - Step 5: Solve for x
x = 15,392,202,979,555,048/107,328,186.48 - Step 6: Final answer
x = 143,412,494.75
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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.