Finding the Fourth Proportional to 219,282,906.09, 328,921,259.57 and 53,287,631.12
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Solution
The fourth proportional to 219,282,906.09, 328,921,259.57 and 53,287,631.12 is: 79,930,693.45
Step by Step Solution
- Step 1: Write the proportion equation
219,282,906.09 : 328,921,259.57 = 53,287,631.12 : x - Step 2: Convert to fraction form
219,282,906.09/328,921,259.57 = 53,287,631.12/x - Step 3: Cross multiply
219,282,906.09x = 328,921,259.57 × 53,287,631.12 - Step 4: Simplify right side
219,282,906.09x = 17,527,434,745,580,886 - Step 5: Solve for x
x = 17,527,434,745,580,886/219,282,906.09 - Step 6: Final answer
x = 79,930,693.45
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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.