Finding the Fourth Proportional to 121,822,979.20, 182,677,782.12 and 45,125,414.08
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Solution
The fourth proportional to 121,822,979.20, 182,677,782.12 and 45,125,414.08 is: 67,667,123.36
Step by Step Solution
- Step 1: Write the proportion equation
121,822,979.20 : 182,677,782.12 = 45,125,414.08 : x - Step 2: Convert to fraction form
121,822,979.20/182,677,782.12 = 45,125,414.08/x - Step 3: Cross multiply
121,822,979.20x = 182,677,782.12 × 45,125,414.08 - Step 4: Simplify right side
121,822,979.20x = 8,243,410,561,381,020 - Step 5: Solve for x
x = 8,243,410,561,381,020/121,822,979.20 - Step 6: Final answer
x = 67,667,123.36
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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.